title: [Macroscopic changes in primary early gastric cancer after long-term administration of 5-fluorouracil].
mesh_terms: D000284:Administration, Oral; D000368:Aged; D004334:Drug Administration Schedule; D005260:Female; D005472:Fluorouracil / Q000008:administration & dosage* / Q000627:therapeutic use; D006801:Humans; D008297:Male; D008875:Middle Aged; D013270:Stomach / Q000473:pathology*; D013274:Stomach Neoplasms / Q000188:drug therapy* / Q000473:pathology
chemical_list: D005472:Fluorouracil