CION Ameerpet
Hyderabad's Soft Tissue Sarcoma Specialists
Soft Tissue Sarcoma — Types, Symptoms & When to See a Specialist
Soft tissue sarcoma is a rare but serious cancer that begins in the body's connective tissues — muscle, fat, blood vessels, nerves and the tissues that hold the body together. Because most soft tissue tumours are harmless lipomas or cysts, sarcoma is one of the most frequently misdiagnosed cancers, often removed by an unsuspecting general surgeon before anyone realises it is malignant. A soft tissue lump that is deeper than the skin, larger than 5 cm, or growing in size deserves specialist evaluation before any surgery.
- Specialist sarcoma team — Surgical, medical & radiation oncology under one tumour board
- MRI + core-needle biopsy first — Never operate blind on a suspicious soft tissue lump
- Limb-sparing surgery — Reconstruction with muscle flaps; amputation only when truly unavoidable
- NCCN & ESMO protocols — Reviewed for every patient by a multidisciplinary sarcoma tumour board
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Overview
What is Soft Tissue Sarcoma?
Soft tissue sarcomas are cancers that arise from the body's connective tissues — the muscles, fat, blood vessels, nerves, tendons, ligaments, and the supporting tissues around organs. They make up around 1% of all adult cancers but include more than 70 distinct subtypes, each with its own typical age group, location, and behaviour. The defining clinical feature is a deep, painless, slowly enlarging lump — most often in a limb (especially the thigh), but also in the trunk, abdomen, or retroperitoneum (the space behind the abdominal organs).
Soft tissue sarcomas are distinct from bone cancers, which arise from the bone itself, and from carcinomas, which arise from the linings of organs. Treatment for sarcoma is highly specialised — the right surgical approach, with adequate margins and consideration of pre-operative or post-operative radiation or chemotherapy, is the single most important determinant of cure. Because of how rare sarcomas are, outcomes at specialist sarcoma centres are meaningfully better than at general surgical centres, and a specialist opinion before any surgery on a suspicious lump can make the difference between cure and recurrence.
7 Main Subtypes
Types of Soft Tissue Sarcoma
Soft tissue sarcomas are classified by the type of tissue they arise from. The most clinically important subtypes — and how each is typically treated:
Most common in adults
Liposarcoma
The most common soft tissue sarcoma in adults, arising from fat cells. Most often occurs in the thigh, behind the knee, or in the retroperitoneum. Behaviour varies enormously by subtype — well-differentiated liposarcomas can grow for years without spreading, while dedifferentiated and pleomorphic subtypes are aggressive.
Smooth muscle origin
Leiomyosarcoma
Arises from smooth muscle cells, most often in the uterus, gastrointestinal tract, retroperitoneum, or blood vessel walls. Uterine leiomyosarcoma can be confused initially with a benign fibroid and is usually diagnosed only after surgery.
Older adults
Undifferentiated Pleomorphic Sarcoma (UPS)
Previously called malignant fibrous histiocytoma, this is a common aggressive sarcoma of older adults that most often arises in the limbs or retroperitoneum. Treated with surgery, often combined with radiation, and sometimes chemotherapy.
Young adults
Synovial Sarcoma
An aggressive sarcoma that most often affects young adults, typically near a joint of the lower limb. Despite its name, it does not arise from the synovial lining of joints. Treated with combined surgery, radiation and chemotherapy.
GI tract
Gastrointestinal Stromal Tumour (GIST)
A distinctive sarcoma of the gastrointestinal tract — most often the stomach or small intestine — arising from specialised cells in the gut wall. GIST is treated very differently from other sarcomas, with targeted therapy (imatinib) combined with surgery.
Children & adolescents
Rhabdomyosarcoma
A sarcoma of skeletal muscle that primarily affects children and adolescents. Treated with combined chemotherapy, surgery and radiation, with cure rates of 70% or more for localised disease.
Rare subtypes
Angiosarcoma, MPNST, DFSP & Other Rare Sarcomas
Includes angiosarcoma (arising from blood vessel cells), malignant peripheral nerve sheath tumours (MPNST, often in patients with neurofibromatosis), dermatofibrosarcoma protuberans (DFSP, a slow-growing skin sarcoma), and many others. Each requires a tailored treatment plan from a specialist sarcoma team.
For detailed information on diagnosis, core-needle biopsy, wide local excision with reconstruction, neoadjuvant and adjuvant radiation therapy, and modern systemic therapy options, see our dedicated page on sarcoma treatment in Hyderabad.
Sarcoma is one of the most frequently misdiagnosed cancers in India.
A soft tissue lump is often assumed to be a benign lipoma or cyst, removed by a general surgeon without specialist imaging or biopsy, and turns out to be sarcoma only on the post-operative pathology report — by which time the chance of achieving clean surgical margins has been lost. MRI and a specialist opinion before excision are the single most useful safeguards.
Warning Signs
Common Signs & Symptoms of Soft Tissue Sarcoma
Soft tissue sarcomas often produce few symptoms until they are large enough to press on surrounding structures. The most important early sign is a deep, painless, slowly growing lump. Watch for:
- A painless lump or swelling — often deep beneath the skin, not movable, and slowly growing
- A soft tissue lump larger than 5 centimetres in size
- A lump that is fixed in place and feels firm or hard
- A new lump in an old scar or radiation field
- A lump deep within a limb that has grown over weeks or months
- Pain or numbness if the tumour presses on a nerve
- Restricted movement of a joint or limb
- Persistent abdominal discomfort, fullness or a felt mass (for retroperitoneal sarcomas)
- Unexplained bleeding from the gut, urinary or genital tract (depending on tumour location)
- Unexplained weight loss or fatigue in advanced disease
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Meet the Specialists
17+ senior cancer specialists. One panel for your case.
Trained at AIIMS, Tata Memorial, and leading international centres. Combined 150+ years of experience. Every complex case is reviewed by 3+ of them — together.
Medical Oncologist
Medical Oncologist
Dr. C. Raghavendra Reddy
MBBS(Gold Medal), DNB(General Medicine), DM(Medical Oncology)(Gold Medal)
Medical Oncologist
Dr. Bharati Devi Gorantla
MBBS, MD(General Medicine), DM(Medical Oncology)(Adyar,Chennai), ECMO, MRCP SCE(UK)
Medical Oncologist
Dr. Owais Mohammed
MBBS, MD (General Medicine), DrNB (Medical Oncology), ECMO, MRCP SCE (Medical Oncology) (UK)
Medical Oncologist
Medical Oncologist
Surgical Oncologist
Dr. Muralidhar Muddusetty
MBBS (AIIMS), MS (Surgery) (AIIMS), DNB (Surgical Oncology), MRCS (Edinburgh)
Surgical Oncologist
Surgical Oncologist
Surgical Oncologist
Dr. Vinay Mamidala
MBBS, MS(General Surgery), M.Ch(Surgical Oncology), FMAS, FARIS(Ongoing)
Surgical Oncologist
Radiation Oncologist
Radiation Oncologist
Radiation Oncologist
Hematologist
Interventional Radiologist
Dr. Mohammed Imran
Surgical Oncologist
Dr. Vajja Sandeep Kumar
MBBS, MS (General Surgery), DrNB (Surgical Oncology), FALS Oncology
Surgical Oncologist
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Don't Let a Suspicious Lump Become a Missed Diagnosis
A short specialist consultation is all it takes to confirm or rule out sarcoma — before any surgery decision is made.
Regional Context
Sarcoma in Telangana & Andhra Pradesh
Sarcoma is genuinely rare across Telangana and Andhra Pradesh, but the relatively few cases that occur are often complicated by a common pattern: a soft tissue lump is assumed to be a benign lipoma or cyst, removed by a general surgeon without specialist imaging or biopsy, and turns out to be sarcoma on the post-operative pathology report — by which time the chance of achieving clean surgical margins has been lost.
The single most useful rule in this region is a simple one: any soft tissue lump that is deeper than the skin, larger than 5 cm, or visibly growing deserves an MRI and a specialist opinion before excision. A short delay for proper diagnosis costs nothing in terms of cancer control, but a poorly planned first surgery can compromise both cure rates and the chance of saving the affected limb.
Causes
Common Causes & Risk Factors
The exact cause of most sarcomas is not identifiable. Known risk factors include:
- Previous radiation therapy to the area
- Inherited cancer syndromes — Li-Fraumeni syndrome, hereditary retinoblastoma, neurofibromatosis type 1 (NF1), Gardner syndrome, Werner syndrome
- Long-term chronic lymphoedema (raises risk of angiosarcoma)
- Long-term industrial chemical exposure — vinyl chloride, arsenic, dioxin
- Chronic immunosuppression
- A previous sarcoma at another site
- Age — most sarcomas occur in adults over 50, but rhabdomyosarcoma is primarily a paediatric cancer
Take Action
When to See a Soft Tissue Sarcoma Specialist
See a sarcoma specialist or oncologist — ideally before any surgery — if you notice any of the following:
- A soft tissue lump deeper than the skin, especially if larger than 5 cm
- A lump that is growing in size over weeks or months
- A new lump in an old radiation field or scar
- A firm, fixed lump that feels different from a typical lipoma or cyst
- Persistent abdominal discomfort with a felt mass
- An 'indeterminate' or 'cannot exclude malignancy' imaging report on any soft tissue lump
- A history of inherited cancer syndrome with any new soft tissue swelling
A short specialist consultation and the right diagnostic test — imaging, endoscopy, biopsy, or blood test as appropriate — is usually enough to confirm or rule out cancer. Early action is always easier than catching up later.
Outcomes
Sarcoma is Curable — When the First Surgery is Right
70–80%
Cure rate for localised limb sarcomas
When treated at a specialist centre with appropriate wide local excision and radiation. The single most important factor in cure is the quality of the first surgery — a properly planned, specialist-led wide excision with adequate margins is what separates cure from local recurrence.
Source: Published outcomes from specialist sarcoma centres, summarised in NCCN & ESMO sarcoma guidelines.
Care at CION
Specialist Soft Tissue Sarcoma Care at CION Cancer Clinics
Our NABH-accredited centres across Hyderabad deliver evidence-based sarcoma care — from MRI imaging and image-guided core-needle biopsy through to wide local excision with reconstructive support, limb-sparing surgery, complex retroperitoneal sarcoma resection, neoadjuvant and adjuvant radiation therapy (IMRT/IGRT/IORT), modern systemic therapy and targeted therapy for GIST and other molecularly defined sarcomas — guided by NCCN and ESMO sarcoma protocols and reviewed for every patient by a multidisciplinary sarcoma tumour board.
For a detailed walk-through of soft tissue sarcoma diagnosis, treatment options, costs, and our specialist team, see our dedicated page on soft tissue sarcoma treatment in Hyderabad.
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Common Questions
Frequently Asked Questions
What is the first sign of soft tissue sarcoma?
The most common first sign is a deep, painless, slowly growing lump — most often in a limb, especially the thigh. Other features that raise concern are a lump larger than 5 cm, a lump that is firm and fixed in place, a new lump in an old radiation field or scar, or persistent abdominal fullness with a felt mass. Pain is uncommon early on and only appears when the tumour presses on a nerve or joint. The unifying theme is a soft tissue lump that does not fit the description of a typical lipoma or cyst.
Is every soft tissue lump cancer?
No — the great majority of soft tissue lumps are benign lipomas, cysts, fibromas, or other harmless growths. Sarcoma is genuinely rare. However, several features should always trigger specialist evaluation: a lump deeper than the skin, a lump larger than 5 cm, a lump that is firm and fixed, a lump growing in size over weeks or months, or a lump that is new in an old radiation field or scar. When any of these features are present, an MRI and a specialist opinion are essential before any surgical removal.
Is sarcoma curable?
Yes — soft tissue sarcoma is curable when diagnosed early and treated at a specialist centre. Cure rates for localised limb sarcomas treated with appropriate wide local excision and radiation are 70–80%, and even larger or higher-grade tumours have meaningful cure rates with combined surgery, radiation and chemotherapy. The single most important factor in cure is the quality of the first surgery — a properly planned, specialist-led wide excision with adequate margins is what separates cure from local recurrence. This is precisely why a specialist opinion is so important before any surgery on a suspicious soft tissue lump.
How is soft tissue sarcoma different from bone cancer?
Soft tissue sarcomas arise from the body's soft connective tissues — muscle, fat, blood vessels, nerves and the supporting tissues around organs. Bone sarcomas, in contrast, arise from the bone itself and include osteosarcoma, Ewing sarcoma and chondrosarcoma. The two groups affect different age ranges (bone sarcomas more often affect adolescents and young adults, while most soft tissue sarcomas affect adults over 40), occur in different locations, and are treated with different surgical and chemotherapy approaches. A specialist sarcoma team handles both, but the treatment plans are not interchangeable.
Will I lose my limb if I have a soft tissue sarcoma?
In most cases, no. Modern sarcoma treatment is built around limb-sparing surgery, in which the tumour and a margin of normal tissue are removed and the limb is reconstructed using muscle flaps, skin grafts, or vascular reconstruction. Combined with pre-operative or post-operative radiation, limb-sparing surgery achieves the same cure rates as amputation for most patients. Amputation is reserved for very large tumours that involve major nerves or blood vessels, or for tumours that have not responded to other treatment. The right surgical decision is always made by a specialist sarcoma tumour board, individualised to each patient's tumour, age, and functional needs.
Disclaimer: This page is intended for general informational purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult a qualified oncologist for guidance specific to your medical condition. Content on this page is periodically reviewed and updated by CION's medical team in accordance with current clinical guidelines.