Retrospective Cohort Study
Copyright ©The Author(s) 2018.
World J Gastroenterol. Feb 28, 2018; 24(8): 905-916
Published online Feb 28, 2018. doi: 10.3748/wjg.v24.i8.905
Figure 1
Figure 1 Selection of patients included in the determination of colorectal cancer development despite surveillance colonoscopy. aPolyp removal between 1/1/2000 12/31/2010 for SSA and TSA for TA, TVA and VA between 1/1/1990 12/31/2010 with follow up complete through 12/31/2016. b186 developed both of sessile/traditional serrated and AA. cPatients with advanced developed a denoma have at least one the these features (histology with villous component, > 1 cm, or high grade dysplasis). SSA: Sessile serrated adenoma; SSP: Sessile serrated polyp; TSA: Traditional serrated adenoma; TA: Tubular adenoma; VA: Villous adenoma; TVA: Tubulovillous adenoma.