EMPHYSEMATOUS ANORECTAL FISTULAS.
D004646:Emphysema; D005401:Fissure in Ano; D006801:Humans; D010336:Pathology; D010784:Photomicrography; D012003:Rectal Fistula; D012812:Sigmoidoscopy
EMPHYSEMA; FISSURE IN ANO; PATHOLOGY; PHOTOMICROGRAPHY; RECTAL FISTULA; SIGMOIDOSCOPY