What is a primary focus of external beam radiation therapy?

The primary focus of external beam radiation therapy is to deliver targeted radiation to tumors. This form of treatment involves the use of high-energy radiation aimed precisely at the cancerous cells in order to destroy them or inhibit their growth. The goal is to maximize the radiation dose to the tumor while minimizing exposure to surrounding healthy tissues. By concentrating the radiation on the tumor, external beam radiation can effectively reduce the size of the tumor or eliminate it altogether.

Other options, while related to health and recovery, do not capture the main objective of this specific therapy. Enhancing blood circulation, minimizing recovery time, and addressing immunity issues are not the primary aims of radiation therapy. Instead, they represent broader aspects of patient care or outcomes that may be managed through other treatment modalities or supportive measures in oncology.