...肿K61.1直肠脓肿K61.2肛门直肠脓肿K61.3坐骨直肠窝脓肿K61.4括约肌内脓肿K62.0肛门息肉K62.1直肠息肉K62.2脱肛K62.3直肠脱垂K62.4肛门和直肠狭窄K62.5肛门和直肠出血K62.6肛门和直肠溃疡K62.7放射性直肠炎K62.8肛门和直肠其他特指的疾病K62....