Anal soft fibroma.
D001003:Anal Canal / Q000473:pathology; D001005:Anus Neoplasms / Q000175:diagnosis* / Q000473:pathology; D001706:Biopsy; D004848:Epithelium / Q000473:pathology; D005260:Female; D005350:Fibroma / Q000175:diagnosis*; D006801:Humans; D007231:Infant, Newborn