Medical Oncologist
Breast cancer · Radiation therapy
Radiation therapy for breast cancer
Most women now need far fewer sessions than they expect. A five or six week course was once standard. Shorter schedules are now recommended for most people. If travel is your problem, that is the most useful thing on this page to ask about.
Ask about the shorter course
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The number of sessions is the part of this treatment that has changed most. Fewer, larger doses now give the same result as the long daily courses of a decade ago. That matters enormously if you are travelling in from a district every weekday.
How many sessions will I need?
Three courses in common use. They are equally effective for suitable cancers, so the question is which one fits your life — and that is a fair thing to raise.
Compared on
Conventional25–30sessions
Recommended for most15–16sessions
Shortest5sessions
Spread over
5 to 6 weeks
About 3 weeks
About 1 week
Weekday trips
25 to 30
About 15
Five
Dose each visit
The smallest of the three
Slightly higher
The highest
Typically used for
A more complex area, or when the nodes are treated as well
Most whole-breast treatment after a lumpectomy
Selected early cancers — breast only, no node treatment
Where it stands now
Once the default everywhere. No longer the automatic choice for most whole-breast treatment.
Long-established and well studied. Ask about this one if you have been quoted five or six weeks.
Criteria are specific and it is not open to everyone. Worth asking anyway — five trips instead of thirty changes everything.
It is a clinical decision rather than a preference. But your travel situation is information your radiation oncologist needs, and it does sometimes change the plan.
Two things get confused with the schedule
1
Technique changes the visit, not the count
How the dose is shaped and aimed decides how much of your heart, lung and skin is spared, so it drives your side effects. It also decides how long each session takes. Arc-based delivery is quicker on the couch than older step-by-step methods. What it does not change is how many days you come.
2
A smaller area allows a shorter course, but does not force one
Large trials have treated part of the breast over the same fifteen sessions as the whole breast. Area and schedule are set separately.
3
Modern technique is what makes short courses possible
The one-week and partial-breast regimens exist because the dose can now be shaped precisely enough to deliver them safely. A few go further still. Treating only around where the cancer was, placing the source inside the tissue, or a single dose during the operation.
Ask your radiation oncologistWhat technique is planned, whether a shorter course applies to you, and whether the network can deliver it.
Been told five or six weeks?
Bring your reports and ask whether a shorter course is suitable in your case. It is one of the most useful questions on this page, and it takes one consultation to answer.
Ask a radiation oncologist
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What one visit actually takes out of your day
The treatment itself is the shortest part of it. Almost nobody is told this, and it is the reason the number of trips matters more than the number of minutes.
-
Step oneArrive and changeYou change into a gown for the upper body. Nothing else about the day requires undressing. -
Step twoGetting you in positionThe longest part. You lie still while the team lines you up against the marks made at planning. Usually ten to fifteen minutes. -
Step threeThe treatment itselfA couple of minutes. You feel nothing at all, you are alone in the room, and the staff can see and hear you throughout. -
Step fourStraight homeNo admission, no recovery time, no anaesthetic. You are not radioactive afterwards and you are safe around children.
Inside the department, a visit is about twenty minutes. The reason a course feels heavy is everything around it — the travel each way, the wait, and doing it again the next day. If you are coming from a district, count the journey rather than the treatment when you plan.
Before the first session: planning and lying still
There is one appointment before treatment starts where nothing is given. It is also where you find out what the position feels like, which is the part worth preparing for.
The appointment
A scan, and marks that stay
You lie on an inclined support shaped for the chest while a CT scan is taken. Small marks, or tiny permanent dots, are then placed so the team can reproduce that exact position every day. Nothing is treated at this visit. It takes longer than a treatment session will.
The difficult part
Both arms held above your head
Your arms rest in supports above your head, and that is uncomfortable after breast or armpit surgery. It is what most women find hard about radiation, rather than anything to do with the radiation itself. Doing your shoulder exercises before this appointment makes a real difference.
If you feel closed in
Neither machine is a tunnel
The scanner is a short open ring. The treatment head is an open arm with clear space on every side, as in the photograph at the top of this page. You are alone in the room but watched on camera and heard the whole time, and it stops the moment you need it to. Even so, being still can be distressing. Tell the team before the planning appointment rather than during it. The position can often be adjusted, someone can talk to you throughout, and a light sedative is possible where it is genuinely needed.
You are alone in the room, and never unobserved. The staff watch you on camera and can hear you the whole time. The machine stops the moment they need it to, and you can raise a hand or speak at any point. You may be asked to hold your breath for a few seconds at a time, which moves the heart away from the treated area. You will practise that at planning, not on the first day.
What decides which course you are offered
Pick a factor to see how it bears on the number of sessions. Knowing these is what turns the conversation into a two-way one.
Factors
How it bears on the schedule
The starting point for everything. After a lumpectomy, radiation to the breast is almost always part of the plan. After a mastectomy it is added only when there is a specific reason, such as a large cancer or involved nodes.
Worth asking: “Given the operation I had, do I need radiation at all — and if so, to what area?”
Effect on the number of sessionsDecides whether you need any, and whether the chest wall or the nodes are included.
Talk to our team
Have questions about breast cancer? Speak to a specialist.
Call the helpline or leave your details, and someone will help you arrange a consultation at the CION centre nearest you. One helpline serves every CION centre.
Call 1800 202 8726
Helpline open 24/7
Why it is given at all
The answer is different depending on which operation you had, and the difference matters.
Almost always needed
After a lumpectomy
The breast is still there, so any cells left in it are what is being treated. This radiation is what makes keeping the breast equivalent to removing it. Comparing the two operations →
Only for a specific reason
After a mastectomy
Not routine. It is added when the cancer was large, several nodes were involved, or the margins were close. If it has been recommended, ask which reason applies to you.
Travelling in from a district?
Tell us where you are coming from before the course is scheduled. Which centre delivers your sessions, and what the daily timing is, are both worth settling in advance.
Plan it with our team
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Side effects, and what you can still do
Radiation is local, so the effects are mostly local too. That surprises people who are expecting something like chemotherapy.
Pick one
What to expect
The commonest effect by far. The skin over the treated area gradually reddens, darkens or feels tight. It usually builds from about the second week and peaks a week or two after the course finishes.
What helps: a plain unscented moisturiser, loose cotton clothing, and no hot water or soap directly on the area. Tell the team early if it breaks or weeps rather than waiting for the next review.
How long it lastsSettles over several weeks after the course ends. Some permanent darkening is common and it fades a great deal.
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Dr. C. Raghavendra Reddy
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MBBS (AIIMS), MS (Surgery) (AIIMS), DNB (Surgical Oncology), MRCS (Edinburgh)
Surgical Oncologist
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Dr. Vinay Mamidala
MBBS, MS(General Surgery), M.Ch(Surgical Oncology), FMAS, FARIS(Ongoing)
Surgical Oncologist
Radiation Oncologist
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MBBS, MS (General Surgery), DrNB (Surgical Oncology), FALS Oncology
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Talk to our team
Have questions about breast cancer? Speak to a specialist.
Call the helpline or leave your details, and someone will help you arrange a consultation at the CION centre nearest you. One helpline serves every CION centre.
Call 1800 202 8726
Helpline open 24/7
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Is it curable?
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Just diagnosed
What to do in the first seven days.
Costs and cover
The whole course, and scheme cover.
Before the course is scheduled
Ask how many sessions you actually need
Bring your surgery notes and pathology report. A radiation oncologist can tell you whether radiation is needed and which area it would cover. They can also say how many sessions that means, and which centre would deliver them. Tell us where you are travelling from — it is information we need, not a complication.
9 clinics across Hyderabad, within a network of 35+ centres across Telangana and Andhra Pradesh. Radiation is delivered on equipment inside NABH-accredited partner centres, planned and overseen by CION radiation oncologists.
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