Role of EUS and EUS-guided FNA in the diagnosis of rectal implantation cyst at an anastomosis site after a previous low anterior resection for a rectal cancer without evidence of cancer recurrence
Current affiliations: Department of Gastroenterology (K.H., K.A., N.M., Y.M., M.K., N.H., S.E., K.T.) and Department of Pathology (M.O.), Aso Iizuka Hospital, Iizuka, Japan