[Radiotherapy and symptomatic treatments of advanced colorectal cancers].

Treatments of colorectal cancers can still be curative up to fairly advanced stage. Clinical situations vary greatly depending on the primary: local recurrence is a major event in rectal cancer whereas metastases are the main problem in colon cancer. Therefore, rectal cancer benefit from locoregional combined treatments, chemotherapy, radiotherapy and surgery, to control the pelvic disease. In the metastatic setting, it is important to offer potentially curative treatment as often as possible. Radiotherapy for bone or brain metastasis is well known and frequently used; irradiation of painful liver metastasis is less regularly discussed despite its efficacy. Symptomatic treatments like analgesics narcotic or not, non steroidal anti-inflammatory, anxiolytics, etc. are useful. All these treatments must be evaluated, not only in term of anti-tumoural but also from the quality of life point of view.