title: Psoriasis and cancer.
mesh_terms: D006801:Humans; D011701:PUVA Therapy / Q000009:adverse effects*; D010778:Photochemotherapy / Q000009:adverse effects*; D011565:Psoriasis / Q000188:drug therapy*; D012306:Risk; D012878:Skin Neoplasms / Q000139:chemically induced*