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Radiation Therapy Advances Precision Cancer Treatment and Symptom Relief
Radiation therapy is a treatment that uses strong energy to attack cancer cells.
It damages the cells’ instructions, called DNA.
Cancer cells often cannot fix this damage, so they stop growing and die.
Doctors can use radiation before or after surgery, or together with other treatments.
New machines help aim the radiation more carefully at the tumor.
This can protect nearby healthy parts of the body.
Radiation may also help reduce pain or other problems when cancer has spread.
Some patients may feel tired or have skin irritation, but treatment teams can manage many side effects.
Doctors and other specialists plan each treatment to balance cancer control with safety.
Radiation therapy uses high-energy radiation, usually X-rays, to damage cancer-cell DNA and stop tumors from growing.
It can be used alone or alongside surgery, chemotherapy, immunotherapy, or targeted therapies, depending on the cancer.
Modern techniques focus radiation on tumors while reducing exposure to nearby healthy tissue.
Proton therapy is described as the latest advanced radiation treatment and is especially useful for some childhood cancers.
Treatment can cure some cancers, reduce recurrence risk, shrink tumors, and relieve symptoms such as pain, bleeding, or pressure.
- Who
- Cancer patients and the radiation oncologists, medical physicists, dosimetrists, and radiation therapists who plan and deliver treatment.
- What
- Radiation therapy is being used as a precise cancer treatment to destroy or control tumors and relieve symptoms.
- Where
- Treatment is directed at tumors in areas including the head and neck, breast, prostate, lungs, brain, gastrointestinal tract, bones, and other sites.
- When
- It may be given before or after surgery, with other cancer treatments, or as palliative treatment for advanced cancer.
- Why
- To destroy cancer cells, shrink tumors, reduce recurrence risk, support other treatments, or improve comfort and quality of life.
Key facts
- Radiation type
- High-energy radiation, most commonly X-rays, is used to damage cancer-cell DNA.
- Treatment uses
- Radiation may be the main treatment or combined with surgery, chemotherapy, immunotherapy, or targeted therapies.
- Modern techniques
- Approaches include 3D conformal radiation therapy, intensity-modulated radiation therapy, image-guided radiation therapy, stereotactic body radiation therapy, and stereotactic radiosurgery.
- Advanced treatment
- Proton therapy is described as the latest advanced radiation modality and is especially useful for some childhood cancers.
- Potential benefits
- Treatment may cure some cancers, shrink tumors, make surgery easier, reduce recurrence risk, or improve the effectiveness of other treatments.
- Palliative role
- For advanced cancer, radiation can relieve pain, bleeding, or pressure and improve quality of life.
- Possible side effects
- Patients may experience tiredness, skin changes, irritation, or other effects depending on the treated body area.
Sources
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