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Premise / BY: Paula B. Gordon, OBC, MD, FRCPC, FSBI May 2023
... meta-analysis shows mortality reduction of only 15% to 20%. Although the studies have now been discredited, CNBSS-1 ... And most of those cancers are small, invasive, and node negative. In addition to the risk of masking cancer, ... Vancouver study, the average tumor size was 9 mm, all were node negative, the biopsy rate was 1.3%, and the positive ...
Clinical Articles / BY: David F. Schaeffer, MD, FRCPC July/August 2023
... the submucosa (T1) is associated with low rates of lymph node metastases and excellent outcomes. A subset of patients ... through the muscularis mucosae, there is no risk for lymph node metastasis. Therefore, as per the BC Colon Screening ... controlling for surveillance colonoscopies.[ 15-20 ] In addition, several studies have shown a reduced risk ...