[Prognostic analysis of 280 patients with T4a gastric cancer who underwent curative resection].

Objective: To evaluate the predicators of survival and recurrence after curative resection for gastric cancer patients with serosal invasion.

Methods: Clinical and follow-up data of 280 patients with T4a gastric cancer(according to the 7th UICC TNM Classification for gastric cancer) who underwent curative resection for gastric cancer between January 1997 and December 2003 were analyzed retrospectively.

Results: Five-year survival rate of these 280 patients was 50.

Prognostic factors of young patients with colon cancer after surgery.

Aim: To investigate the prognostic factors of 96 young patients with colon cancer within a cancer center by univariate and multivariate analysis.

Methods: A total of 723 patients with colon cancer were treated surgically during a period of 10 years. Ninety six of them were 40 years old or younger.

[Determinants of long-term survival in 38 patients with carcinoma of ampulla of Vater treated by local resection].

Objective: To investigate determinants of long-term survival for carcinoma of ampulla of Vater treated by local resection.

Methods: The clinical and pathological data of 38 such patients treated by local resection from 1983 to 2003 were retrospectively analyzed. According to UICC staging system, there were T1 30, T2 7 and T3 1.

[Multivariate Cox analysis on prognostic factors after surgery for rectal carcinoma].

Objective: To analyze a large cohort of patients with rectal cancer within a cancer center to determine the prognostic factors by univariate and multivariate analyses.

Methods: A total of 952 patients with rectal cancer were treated surgically during a period of 10 years. R0, R1 and R2 operations were carried out in 741 patients (77.

[Analysis of prognostic factors of rectal cancer in the elderly].

Background & Objective: The relation between patient age and outcomes from colorectal cancer surgery is complex. It is generally believed that age should not be a determinant in consideration of prognosis for colorectal cancer patient. But there were few studies on the prognostic factors of rectal cancer in the elderly.

[Prospective randomized trial of prophylaxis of postoperative peritoneal carcinomatosis of advanced gastric cancer: intraperitoneal chemotherapy with mitomycin C bound to activated carbon particles].

Objective: To evaluate the beneficial effect of intraperitoneally applied mitomycin bound to activated carbon particles (MMC-CH) in the prevention and treatment of intraabdominal recurrence after curative surgery for gastric cancer.

Methods: One hundred and twenty-four patients with radically resected gastric cancer infiltrating the serosal surface were randomly divided into group receiving 50 mg mitomycin bound to a solution of 375 mg carbon adsorbent intraperitoneally before closure of the abdominal wound (n = 62) and a control group (n = 62). The patients with MMC-CH and the control group were received systemic chemotherapy 3 months or 3 weeks after operation respectively.