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Premise / BY: Paula B. Gordon, OBC, MD, FRCPC, FSBI May 2023
... have a poorer prognosis than screen-detected cancers.[ 22 ] Interval cancers are 13 to 18 times[ 20 , 23 ] more ... 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 ... the results will not be available for many years.[ 21 , 22 ] Baseline colonoscopy An individual’s future risk of ...