Chronic colitis was mainly manifested as loose stool, alternation ofconstipation and diarrhea,dyschesia or abdominal pain whenever desire to defecate.

• 发现慢性结肠炎（Chroniccolitis，CC）患者多数大便烂或便秘腹泻交潜，其大便难解或痛则欲便等大便行为改变症状亦多见。