Diagnosis of type IV-A congenital choledochal cyst in a 73-year-old man Posted on February 28, 2019July 22, 2022 by admin LETTER Hippokratia 2016, 20(1):93 Kavvadas G, Chamzin A, Dourakis SP 2nd Department of Internal Medicine, Athens University Medical School, Endoscopic Surgery Unit, Hippokratio Hospital, Athens, Greece