Resistance to fluorouracil.
D005472:Fluorouracil / Q000009:adverse effects / Q000627:therapeutic use*; D006801:Humans; D007642:Keratosis / Q000188:drug therapy*; D008297:Male; D008875:Middle Aged; D010787:Photosensitivity Disorders / Q000209:etiology
D005472:Fluorouracil