title: Precancerous lesions of the skin and mucous membranes.
mesh_terms: D006801:Humans; D008297:Male; D009062:Mouth Neoplasms; D009092:Mucous Membrane; D009369:Neoplasms; D010412:Penile Neoplasms; D010413:Penis; D012867:Skin; D012878:Skin Neoplasms / Q000473:pathology*
keywords: MOUTH/neoplasms; MUCOUS MEMBRANE/neoplasms; PENIS/neoplasms; SKIN NEOPLASMS/pathology