A comparison of sphincter saving operation with abdominoperineal resection in low and middle rectal carcinoma / 中国普通外科杂志

0 05) The histological types in these two groups were not significantly different, except that there were more well differentiated adenocarcinoma in SSO group than that in APR group ( P 0 05). However,the 5 years survival rate (79% in SSO,67% in APR) was significantly different (P