title: A case of multiple misdiagnoses in a septuagenarian.
authors.affiliation: Department of Gastroenterology and Hepatology, Cleveland Clinic, Cleveland, Ohio.
authors.forename: Divyansh
authors.initials: D
authors.lastname: Bajaj
authors.affiliation: Department of Gastroenterology and Hepatology, Cleveland Clinic, Cleveland, Ohio. Electronic address: chahalp@ccf.org.
authors.forename: Prabhleen
authors.initials: P
authors.lastname: Chahal
mesh_terms: D000368:Aged; D017074:Common Variable Immunodeficiency / Q000150:complications; D003951:Diagnostic Errors; D005767:Gastrointestinal Diseases / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D008297:Male