Retrospective Study
Copyright ©The Author(s) 2020.
World J Gastroenterol. Nov 7, 2020; 26(41): 6391-6401
Published online Nov 7, 2020. doi: 10.3748/wjg.v26.i41.6391
Figure 5
Figure 5 Progressive increase in the frequency of ampullary distortion/tumor infiltration, duodenal distortion/stenosis and peri-ampullary diverticula was noted in over the study period. ERCP: Endoscopic retrograde cholangiopancreatography.