Anal cancer and hemorrhoids are different ... anal sphincter are treated with chemotherapy combined with external beam ...

Patients whose metastatic colorectal cancer has progressed following chemotherapy and who lack mutations in the RAS and BRAF ...

aimed to determine the effect of multimodality therapy on recurrence and survival in patients with locally advanced colorectal cancer ... consisting of external-beam radiotherapy (EBRT ...

Radiotherapy is either external (teletherapy) or internal (brachytherapy). Teletherapy refers to radiation therapy given by an external radiation source at a distance from the body. It is the most ...

Radiotherapy is one of the main types of cancer treatment ... years of experience in radiation oncology, medical physics and radiation therapy technology. Radiotherapy can be delivered externally or ...