First Department of Surgery, Nihon University, School of Medicine

First Department of Surgery, Nihon University, School of Medicine

First Department of Surgery, Nihon University, School of Medicine

First Department of Surgery, Nihon University, School of Medicine

First Department of Surgery, Nihon University, School of Medicine

First Department of Surgery, Nihon University, School of Medicine

First Department of Surgery, Nihon University, School of Medicine

First Department of Surgery, Nihon University, School of Medicine

First Department of Surgery, Nihon University, School of Medicine