title: Expect the unexpected.
authors.forename: I C
authors.initials: IC
authors.lastname: Francis
authors.forename: G
authors.initials: G
authors.lastname: Wilcsek
mesh_terms: D006801:Humans; D007766:Lacrimal Apparatus Diseases / Q000150:complications / Q000175:diagnosis*; D007767:Lacrimal Duct Obstruction / Q000209:etiology; D016393:Lymphoma, B-Cell / Q000150:complications / Q000175:diagnosis*; D011379:Prognosis