摘要: Primary gastrointestinal malignancy, particularly colon cancer, is the most common visceral tumor in humans. As other cancers, clinical management of intestinal tumors related to natural history that tumor, stage or extent disease, and responsiveness various therapeutic modalities. Tumors within system are often occult for long periods present clinically only after extensive disease already established. Furthermore, generally resistant radiation chemotherapy. The resistance these modalities an important consideration determining a approach major complications intra-abdominal malignancy.