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Radiation Therapy · Decision & Pre-Treatment

Questions to Ask Your Radiation Oncologist at the First Visit

Medically reviewed by Dr. Venkata Sushma P, Radiation Oncologist, MBBS · MD (Radiation Oncology) · Last reviewed August 2026

A first radiation oncology visit should cover what treatment is meant to achieve, how many sessions it involves, common side effects, an indicative cost, and where treatment actually happens. This page groups 20 questions — drawn from NCCN and ASTRO patient-education guidance — into five categories so you leave with written answers instead of scattered notes.

  • Not a severity signal — needing radiation isn't proof your cancer is advanced; asking "why radiation" directly is one of the 20 questions below.
  • Bring someone — a family member or friend in the room remembers details differently than the patient does, especially at the first visit.
  • Write it down — a simple system for notes turns one conversation into a plan you can actually follow later.
  • One list covers it all — intent, dose, side effects, cost and logistics, grouped so you can screenshot or print it before you go.
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The short answer

What must I ask my radiation oncologist at the first visit?

At minimum, ask about five things: what the radiation is meant to achieve, how many sessions your plan involves, what side effects to expect, what the course is likely to cost, and where and how treatment will actually be delivered. Together, intent, dose, side effects, cost and logistics cover what most patients say they wished they'd asked first.

This page is a framework for preparing, not a fixed script — your own diagnosis, treatment site and stage will shape which questions matter most to you. Asking early gives your team the chance to explain their reasoning up front, rather than you piecing it together later from partial answers.

The sections below group all 20 questions by theme, and cover what to bring and what to note down while you're in the room.

Did you know?

NCCN and ASCO patient-communication guidance both recommend writing your questions down before an oncology visit and bringing a family member or friend along to help you remember what’s discussed, current as of 2026. A written list also gives your radiation oncologist a clear agenda, so the visit covers what matters to you and not only what’s covered by default.

Screenshot it, print it, or read it off your phone

The 20 questions, grouped by what you need to know

Five categories, four questions each — assembled from NCCN and ASTRO patient-education guidance and what caretakers commonly say they wish they'd asked first. Your radiotherapy itself is delivered at an NABH-accredited partner centre; CION Cancer Clinics coordinates your treatment plan, your oncology team and your care throughout.

Category 1 of 5

Intent & goal

Understand what the treatment is actually meant to do before anything else.

  • Is this radiation curative in intent, meant to control the disease, or meant to ease symptoms?
  • Why radiation instead of, or together with, surgery or chemotherapy in my case?
  • What does the tumour board expect this treatment to achieve?
  • Does needing radiation mean my cancer is more advanced than I was told?
Category 2 of 5

Dose & fractions

The technical plan, turned into questions you can actually ask out loud.

  • How many sessions (fractions) does my plan involve, and how was that number decided?
  • What is the total planned dose, and is this a standard course for my diagnosis?
  • Will I need a planning or simulation scan before my first actual treatment session?
  • What happens to my schedule if I need to miss or reschedule a session?
Category 3 of 5

Side effects & safety

What to expect in your body, and when a symptom needs a phone call.

  • What side effects are common for this specific treatment area, and which are rare?
  • Which symptoms mean I should call the team right away rather than wait it out?
  • Will I be unsafe to be around family or children after a session?
  • What can I do day to day to manage skin changes, fatigue or appetite?
Category 4 of 5

Cost & insurance

Get the numbers in writing before the first bill arrives.

  • What is the indicative cost of the full course, and what could change that estimate?
  • Is this treatment covered under ArogyaSri, CGHS or my insurance, and what needs prior approval?
  • Are planning scans, review visits or touch-up sessions billed separately from the main course?
  • Who do I contact if a bill doesn't match what I was originally quoted?
Category 5 of 5

Logistics & scheduling

Where treatment happens, and how it fits around daily life.

  • Where will my radiation actually be delivered, and who coordinates my care?
  • How long does each daily session take, from arrival to leaving?
  • Can sessions be scheduled around work or travel, or must they happen at a fixed time?
  • Who do I call between sessions if something feels wrong?
Walking in prepared

What should I bring to my first appointment?

Bring the complete picture, not just the latest report: every scan, biopsy report and prior treatment summary you have, a current list of what you're taking, your insurance or ArogyaSri/CGHS card, this question list, and — where possible — a family member or friend. Having everything in the room on day one usually means fewer follow-up calls later.

Your radiotherapy itself is delivered at an NABH-accredited partner centre; CION Cancer Clinics coordinates your treatment plan, your oncology team and your care throughout, so the same team stays involved even though the equipment sits at a partner facility.

If you're not sure of exact names for supplements or over-the-counter products, note them by category instead — for example "a pain reliever" or "a vitamin" — rather than trying to recall the exact name on the spot.

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Take this list into your first visit

Or skip ahead — book a free consultation and a radiation oncologist will answer these 20 questions for your specific diagnosis directly.

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Turning a conversation into a plan you can revisit

What do I write down during the visit?

Five things are worth capturing in your own words: the stated goal of treatment, the schedule, side effects to expect and who to call, what was said about cost and insurance, and the name of your care coordinator. Everything else can wait until your next visit.

1

The goal, in your own words

Write down what the doctor said radiation is meant to do for you — curative, disease control, or symptom relief — using their phrasing, not your own guess at it.

2

The schedule

Note the planned start date, how many sessions total, and roughly how long each day's visit will take, including any planning scan beforehand.

3

Side effects and who to call

List the side effects you were told to expect, and separately, the specific symptoms and the number to call if something feels wrong between visits.

4

Cost and coverage

Write down the indicative estimate you were given (as of August 2026), what it does and doesn't include, and any insurance or ArogyaSri/CGHS approval steps still pending.

5

Your coordinating contact

Note the name and number of the person coordinating your care day to day — the one person you call first with a new question, rather than starting over each time.

One line you can screenshot

Quick reference: the five categories at a glance

A summary of the full 20-question list above — useful as a last-minute reminder walking into the room.

Category If you remember one question Why it matters
Intent & goal "What is this radiation meant to achieve for me?" Sets the context for every other answer that follows.
Dose & fractions "How many sessions, and how was that number decided?" Turns an abstract plan into a schedule you can plan your life around.
Side effects & safety "Which symptoms mean I should call immediately?" Gives you a clear line between normal and urgent.
Cost & insurance "What's the indicative estimate, and what could change it?" Avoids surprises once the course is already underway.
Logistics & scheduling "Where is this actually delivered, and who coordinates it?" Confirms your care team stays involved even though radiotherapy itself happens at an NABH-accredited partner centre.

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Common questions

Preparing for your first radiation visit — your questions answered

What must I ask my radiation oncologist at the first visit?

At minimum, ask about intent (is this curative in intent, meant to control the disease, or meant to ease symptoms), dose (how many sessions and why), side effects (common and urgent), cost (an indicative estimate and what it includes) and logistics (where treatment happens and who coordinates it). These five categories cover the 20 questions most patients wish they'd asked, drawn from NCCN and ASTRO patient-education guidance. You don't need to ask all twenty in one sitting — starting with intent and dose usually opens up the rest of the conversation naturally.

What should I bring to my first appointment?

Bring every scan, biopsy report and prior treatment summary you have, a current list of what you're taking (by category is fine if you don't recall exact names), your insurance or ArogyaSri/CGHS card, a written question list, and where possible, a family member or friend. Having the complete picture in the room on day one usually means fewer follow-up calls later, and gives your radiation oncologist everything needed to answer specifically rather than in general terms.

What do I write down during the visit?

Five things are worth capturing in your own words: the stated goal of treatment, the schedule (start date, number of sessions, time per day), side effects to expect and who to call if something feels wrong, what was said about cost and insurance coverage, and the name of your care coordinator. Writing these down as you hear them — rather than trying to remember afterward — is what turns one conversation into a plan you can actually follow.

Does needing radiation mean my cancer is more advanced?

No, not on its own. Radiation is recommended for many reasons that have nothing to do with how advanced a cancer is — tumour location, the goal of preserving an organ's function, or as a planned part of treatment alongside surgery or chemotherapy. It's a reasonable first question to ask directly at your visit; a clear answer from your own radiation oncologist, specific to your diagnosis, will settle it far better than guessing.

Can a family member or caregiver join me for the first consultation?

Yes, and it's genuinely useful — a second person in the room tends to remember details differently than the patient does, especially early in a diagnosis when there's a lot to take in at once. If you're the one supporting a parent or family member through this, bringing the question list along and taking notes yourself is one of the most concrete ways to help during that first visit.

What if I think of a question after I leave the appointment?

That's expected — most patients do. Keep a running note on your phone or on paper between visits, and bring it to your next review or planning appointment. For anything urgent — a new symptom or a scheduling concern — call your coordinating contact directly rather than waiting for your next scheduled visit; for anything that can wait, saving it for the next conversation keeps each visit focused.

This page is a general preparation checklist; it is not a substitute for guidance from your own oncology team about your specific diagnosis, staging and treatment plan.

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