Fig. 1From: Colon perforation due to cytomegalovirus infection in a patient with idiopathic hypereosinophilic syndrome: a case reporta Swollen descending colon wall and free air (red arrow). b Swollen bowel wall, deep ulcer and mucosal erosion on specimen. c Massive virus inclusion body. d Immunohistochemical staining confirmed the infection of CMVBack to article page