title: Image of the month. Mantle cell lymphoma.
authors.affiliation: Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, USA.
authors.forename: David E
authors.initials: DE
authors.lastname: Loren
authors.forename: Xiaohong
authors.initials: X
authors.lastname: Cai
authors.forename: David C
authors.initials: DC
authors.lastname: Metz
mesh_terms: D003113:Colonoscopy; D004931:Esophageal Achalasia / Q000175:diagnosis; D006801:Humans; D020522:Lymphoma, Mantle-Cell / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged