[Evaluating the effectiveness and timing of modification of anti-cancer drug therapies for colorectal cancer]

摘要: Although treatments for unresectable colorectal cancer have made great progress with new anticancer agents, they are still unsatisfactory. Development of anti-cancer therapy and its management important in order to improve the treatment outcome cancer. In evaluation effect, obtaining a baseline image at start is very important, CT scan generally performed this purpose. daily clinical practice, response criteria solid tumors(RECIST)is usually adapted assessment outcomes. addition, we should make decisions about continued on basis both objective symptomatic findings. Patients receiving palliative chemotherapy be monitored every 2 3 months. It strategy individually consideration adverse events, purposes treatment, tumor progression.