Current Status of Local Excision of Rectal Carcinoma in Japan Questionnaire survey of the 63rd Meeting of Japanese Society for Cancer of the Colon and Rectum (JSCCR) in 2005

At the 63rd Meeting of Japanese Society for Cancer of the Colon and Rectum, a questionnaire survey was conducted on the theme of "current status of local excision of rectal carcinoma". A total of 1, 154 cases collected from 95 facilities were analyzed. Local excision was conducted in approximately 7% of the cases as a treatment for rectal carcinoma. For the question on indication of local excision, 57.1% of the facilities responded "according to the indications for colonoscopic resection." The location of the tumor was Ra in 223 cases (19.3%) and Rb in 931 cases (80.7%), and 91% of the cases were early-stage cancers. Preoperative adjuvant chemotherapy or radiotherapy was used in 1.6% and postoperative adjuvant radiotherapy in 1.7%. Additional resection was conducted in 11.6% and recurrence was observed in 6.0%. The 5-year survival rate was 97.6% for sm cancers and 84.7% for mp cancers (p