known causes of colitis , including campylobacter jejuni , campylobacter fetus fetus , shigella flexneri , chl . trachomatis ( lymphogranuloma venereum serotypes ) , entamoeba histolytica , and clostridium difficile , were identified in 60 per cent of the cases of proctocolitis .
C0009319
colitis
C0033247
proctocolitis