患者,男,40岁,4个月前发热、腹痛、腹泻,服药l天好转,此后腹泻反复发作,多于劳累及进食生冷食物后,大便5~6次/l3,稀便有黏液,有腹痛、里急后重。体检:左下腹压痛。大便镜检WBC 20~30/HP、RBC 5~I0/HP,发现有结肠阿米巴滋养体,此患者最可能的诊断是( )。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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