Introduction

External Beam Radiation Therapy (EBRT) is one of the most common and effective forms of radiation therapy used to treat cancer. It targets tumors with high-energy beams while minimizing damage to surrounding healthy tissues. At Landmark Cancer Center in Patna, we provide advanced EBRT under the expert supervision of Dr. Mosarrat Shaheen, ensuring patients receive precise, personalized care.

In this blog, we explain the procedure, benefits, possible side effects, and what recovery looks like after EBRT.

What Is External Beam Radiation Therapy?

External Beam Radiation Therapy is a non-invasive cancer treatment that delivers targeted radiation (typically X-rays or protons) to destroy cancer cells. The radiation is delivered from a machine outside the body, most commonly a linear accelerator (LINAC).

This treatment is highly versatile and used to treat various types of cancer, including :

• Breast cancer
• Lung cancer
• Prostate cancer
• Head and neck cancers
• Brain tumors
• Colorectal and gastrointestinal cancers

   

How Does External Beam Radiation Therapy Work?

Cancer cells grow and divide more rapidly than normal cells. EBRT works by damaging the DNA inside these rapidly dividing cells, preventing them from replicating. Over time, the damaged cancer cells die, and the body naturally eliminates them.

Normal cells can also be affected but are more likely to repair themselves between sessions.

Types of External Beam Radiation Therapy

At Landmark Cancer Center, we offer several advanced EBRT techniques tailored to each patient :

• 3D Conformal Radiation Therapy (3D-CRT): Uses 3D imaging to deliver radiation precisely to the tumor’s shape.
• Intensity-Modulated Radiation Therapy (IMRT): Allows varying radiation intensity across the treatment field, protecting healthy tissues.
• Image-guided radiation Therapy (IGRT): Combines imaging during treatment to improve accuracy.
• Stereotactic Body Radiation Therapy (SBRT): Delivers high-dose radiation to small, well-defined tumors with extreme precision.

   

The Procedure: Step-by-Step

Here’s what patients can expect when undergoing EBRT :

1. Consultation & Planning

• Initial consultation with the oncologist.
• Diagnostic imaging (CT, MRI, PET scans) to map the tumor location.
• A simulation session helps define the exact position for treatment.

2. Treatment Planning

• Radiation oncologists, medical physicists, and dosimetrists create a personalized radiation plan.
• The plan ensures maximum tumor exposure and minimum healthy tissue damage.

3. Daily Treatment Sessions

• EBRT is typically given 5 days a week for several weeks, depending on the cancer type and stage.
• Each session lasts 10–20 minutes.
• Patients lie on a treatment table while the machine rotates to deliver radiation from multiple angles.

4. Monitoring & Adjustments

• Regular imaging checks and assessments ensure the treatment is on track.
• Adjustments are made if there are any tumor changes or side effects.

   

Side Effects of External Beam Radiation Therapy

While EBRT is a painless and non-invasive procedure, side effects may occur due to radiation exposure. These depend on the treatment area, radiation dose, and individual response.

Common Side Effects :

• Fatigue: Most patients feel increasingly tired during the treatment course.
• Skin Changes: Redness, dryness, or peeling (like a mild sunburn) at the treatment site.
• Nausea or Appetite Loss: Especially if the abdomen is treated.
• Hair Loss: Only in the area receiving radiation.
• Difficulty Swallowing: If the neck or chest is treated.

Area-Specific Side Effects :

• Pelvic radiation: May cause urinary issues or bowel changes.
• Head/brain radiation: This can lead to headaches, memory issues, or vision problems.

These side effects are typically temporary and resolve a few weeks after treatment ends. The oncology team will guide you through managing symptoms effectively.

Recovery After External Beam Radiation Therapy

Recovery varies by individual, cancer type, and overall health. Here’s what to expect :

1. Gradual Energy Return

Fatigue may continue for a few weeks post-treatment. Rest, hydration, and proper nutrition help in quicker recovery.

2. Ongoing Monitoring

Follow-up appointments with Dr Mosarrat Shaheen are crucial to :

• Track treatment response through scans and tests
• Manage lingering side effects
• Discuss further treatment (if needed)

3. Long-Term Effects

In rare cases, long-term side effects like fibrosis (tissue scarring), secondary cancers, or hormone changes can occur. These are monitored over time through regular follow-ups.

Why Choose Landmark Cancer Center, Patna?

At Landmark Cancer Center, we combine cutting-edge technology with compassionate care. Our EBRT services are delivered with :

• Expertise of Dr Mosarrat Shaheen, a leading medical oncologist in Patna.
• Advanced imaging and planning systems for precision treatment.
• Patient-focused care plans with minimal disruption to quality of life.

   

We ensure that every patient receives safe, personalized, and effective radiation therapy as part of a comprehensive cancer care strategy.

Final Thoughts

External Beam Radiation Therapy is a cornerstone in modern cancer treatment. With technological advancements and experienced oncologists like Dr. Mosarrat Shaheen, EBRT is safer and more effective than ever. If you or a loved one has been advised radiation therapy, it’s essential to understand the procedure, side effects, and the journey of recovery.

For expert consultation and treatment in Patna, trust Landmark Cancer Center—where hope meets high-quality cancer care.