Radiation therapy is a widely used cancer treatment that uses high-energy beams to destroy or slow the growth of cancer cells. If your doctor has recommended radiation therapy as part of your cancer treatment plan, you may be wondering what to expect during the process.

This article will guide you through radiation therapy and what to expect, from initial consultation to post-treatment care.

Initial Consultation: What to Expect?
The Process of Treatment Planning
Preparing for Treatment
The Radiation Treatment Process
Treatment Schedule for Radiation Therapy
Managing Side Effects of Radiation Therapy
Weekly Check-ups During Radiation Therapy
Post-Treatment Care for Radiation Therapy
Emotional and Psychological Support
Conclusion
Frequently Asked Questions

Initial Consultation: What to Expect?

Your radiation therapy journey begins with an initial consultation with a radiation oncologist. During this appointment, the doctor will review your medical history, perform a physical examination, and discuss your treatment options. They will explain how radiation therapy can benefit your specific case and address any concerns you may have.

The Process of Treatment Planning

Once you and your doctor decide to proceed with radiation therapy, the next step is treatment planning. This crucial phase ensures that the radiation is precisely targeted to your tumour while minimising exposure to healthy tissues.

Simulation: You'll undergo a CT scan or other imaging tests to map the exact location, size, and shape of the tumour. This process, called simulation, helps create a detailed 3D model of your body and the target area.
Positioning: The radiation team will determine the best position for you during treatment. They may use immobilisation devices such as Moulds or masks to ensure you remain in the same position for each session.
Treatment plan design: Using the simulation data, your radiation oncologist and medical physicists will create a customised treatment plan. This plan outlines the radiation dose, beam angles, and number of sessions required.

Preparing for Treatment

Before beginning radiation therapy, you may need to make some lifestyle adjustments:

Skincare: Your radiation oncologist will provide guidelines for caring for the skin in the treatment area. This may include using specific soaps and lotions while avoiding others.
Nutrition: Maintain a balanced diet to support your body during treatment. Your care team may recommend dietary changes or supplements if needed.
Smoking cessation: If you smoke, quitting is strongly advised as smoking can interfere with treatment effectiveness and increase side effects.
Arranging transportation: Depending on the treatment's effects, you may need someone to drive you to and from appointments.

The Radiation Treatment Process

External Beam Radiation Therapy (EBRT) is the most common type of radiation therapy. Here's what to expect during a typical EBRT session:

Arrival and preparation: You'll check in at the radiation oncology department and may change into a hospital gown.
Positioning: The radiation therapists will help you onto the treatment table and position you exactly as determined during the simulation.
Imaging: Before administering radiation, the team may take X-rays or CT scans to verify your position and the target area.
Treatment delivery: The radiation machine, called a linear accelerator, will move around you to deliver radiation from various angles. You won't feel the radiation, but you may hear buzzing or clicking sounds from the machine.
Monitoring: Throughout the session, the radiation therapists will monitor you via cameras and an intercom system.
Session duration: Each treatment typically lasts 15-30 minutes, with the actual radiation delivery taking only a few minutes.

Treatment Schedule for Radiation Therapy

Radiation therapy is usually given on an outpatient basis, five days a week, Monday through Friday, for several weeks. The total number of treatments depends on your specific case, typically ranging from 2 to 8 weeks.

Some patients may receive hypo fractionated radiation therapy, which involves higher doses over fewer sessions. Your radiation oncologist will determine the most appropriate schedule for your situation.

Managing Side Effects of Radiation Therapy

While radiation therapy targets cancer cells, it can also affect healthy cells in the treatment area, leading to side effects. Common side effects include:

Fatigue: This is the most common side effect and tends to build up over the course of treatment.
Skin changes: The treated area may become red, dry, or itchy, like a sunburn.
Hair loss: This occurs only in the treatment area and is often temporary.
Site-specific effects: Depending on the area being treated, you may experience other effects such as difficulty swallowing (for head and neck cancers) or urinary problems (for prostate cancer).

Your care team will provide guidance on managing these side effects and may prescribe medications or recommend lifestyle changes to help reduce symptoms.

Weekly Check-ups During Radiation Therapy

Throughout your radiation therapy, you'll have weekly check-ups with your radiation oncologist. These appointments allow the doctor to monitor your progress, address side effects, and adjust your treatment plan if needed.

Post-Treatment Care for Radiation Therapy

After completing your radiation therapy course:

Follow-up appointments: Your radiation oncologist will schedule regular follow-up visits to monitor your recovery and the treatment's effectiveness.
Continued side effect management: Some side effects may persist for weeks or months after treatment. Your care team will provide ongoing support and guidance.
Imaging tests: Periodic scans or other imaging tests may be scheduled to assess the tumour's response to treatment.
Survivorship care: Your oncology team will work with you to develop a long-term care plan, which may include strategies for managing the late effects of radiation and recommendations for maintaining overall health.

Emotional and Psychological Support

Undergoing radiation therapy can be emotionally challenging. Many cancer centres offer support services, including:

Counselling: Individual or group therapy sessions can help you cope with the emotional aspects of cancer treatment.
Support groups: Connecting with other patients going through similar experiences can provide valuable support and insights.
Complementary therapies: Some patients find relief through practises like meditation, yoga, or art therapy.

Conclusion

Understanding what to expect during radiation therapy can help reduce anxiety and prepare you for the journey ahead. Remember that each person's experience with radiation therapy is unique, and your care team is there to support you every step of the way. Don't hesitate to ask questions or voice concerns throughout your treatment process.

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Reference Links:

https://www.mayoclinic.org/tests-procedures/radiation-therapy/about/pac-20385162
https://my.clevelandclinic.org/health/treatments/17637-radiation-therapy

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