| Abstract: | Seven hundreds and fifty three patients with colon cancer were operated in the Unit of Colon Surgery of the State Scientific Centre of Coloproctology within the period from 1998 to 2003. 352 (46.7%) of them were subjected to systemic chemotherapy. The patients subjected to the surgical and antitumor drug therapy were divided into 3 groups according to the main disease stage: 103 (29.3%) patients with the disease stage T4N0M0 (including those with the tumor local spread), 116 (32.9%) patients with the disease stage T(3-4)N+M0 and 133 (37.8%) patients with the disease stage T(3-4)NxM1. In the patients with the colon serous membrane diffusion and locally spread tumors (total of 103 patients) 3- and 5-year survival was stated in 81.0 +/- 2.8% and 76.5 +/- 3.7% respectively. The control group included 85 patients subjected to the surgical treatment alone. In the latter group 5-year survival was recorded in 68.0 +/- 2.9% of the patients. In the group of the patients with affection of the regional lymph nodes subjected to antitumor drug therapy 3- and 5-year survival was recorded in 64.1 +/- 3.5% and 57.5 +/- 4.2% respectively. In 52 patients not subjected to the systemic chemotherapy the analogous index was equal to 44.5 +/- 3.4%. The systemic chemotherapy was applied to 111 (78.2%) patients with metastases to the liver. In 50 of them cytoreductive operations were performed and in 61 patients palliative resection of the colon was carried out. The average period without clinical manifestations of the disease in the patients subjected to the colon palliative resection and systemic chemotherapy was equal to 8.5 +/- 3.5 months. In the patients with metastases to the liver subjected to the cytoreductive operations the average lifespan after the operations amounted to 24.5 months. The average lifespan of the patients with canceromatosis subjected to the systemic chemotherapy and cytoreductive operations amounted to 13.5 months. When the chemotherapy in such patients was effective the average lifespan was 16 months, while in case of the therapy failure it was 8.5 months. |
