radiotherapy
n. uncountablen. a medical treatment that uses high-energy rays to kill cancer cells or shrink tumors. Doctors often use it alongside surgery or other medicines to help patients get better.
n. the treatment of disease, especially cancer, using ionizing radiation to destroy malignant cells. Often administered in fractionated doses to allow healthy tissue to recover between sessions.
The patient started radiotherapy to shrink the tumor before surgery.
After the surgeon removed the primary mass, the patient underwent six weeks of radiotherapy to ensure no cancer cells remained.
Advances in medical imaging allow clinicians to target radiotherapy with extreme precision, minimizing damage to the healthy organs surrounding the site of the malignancy.
From radio- + therapy.
Uncountable when referring to the medical field or the general treatment method.