Interpretation of surgical treatment part of updated NCCN clinical practice guideline for rectal cancer
Abstract：NCCN (National Comprehensive Cancer Network) clinical practice guideline updated in many areas of diagnosis,treatment and follow-up in 2017.Main content include tumor budding is added to an adverse histological feature with adverse outcome after operation of malignant polyps;options of "watch and wait" after chemoradiation and chemotherapy is recommended to cT1N0M0 rectal cancer patients who underwent transanal local resection with unfavorable histopathological features;postoperative treatment of pT3-4N0M0 rectal cancer patients whose preoperative stage is cT1-2N0M0 could be "watch and wait" or chemotherapy;the patients underwent preoperative therapy is not necessary to get postoperative treatment;perioperative target therapy is deleted from the strategy of resectable synchronous liver metastasis of rectal cancer;short course radiotherapy is permitted in the treatment of primary tumor of resectable liver metastasis of rectal cancer;the effect of cytoreductive surgery combined with intraperitoneal chemotherapy in the treatment of peritoneal carcinomatosis of colorectal cancer is affirmed cautiously.
Keywords：rectal cancerNational Comprehensive Cancer Networkguideline
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 641-643,659 )