title: Long-standing angioedema with C1 esterase inhibitor deficiency associated with occult lymphoma.
mesh_terms: D000328:Adult; D000799:Angioedema / Q000175:diagnosis*; D003174:Complement C1 Inactivator Proteins / Q000172:deficiency*; D006801:Humans; D008223:Lymphoma / Q000175:diagnosis*; D008297:Male
chemical_list: D003174:Complement C1 Inactivator Proteins