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Right lower quadrant abdominal pain , vomiting , hematochezia and hepatic tumor .

右下腹痛、呕吐、便血、肝脏肿块。

The hematemesis , hematochezia or melena to be considered , until proven otherwise , an emergency .

在吐血，便血或黑便要考虑，除非证实，紧急情况。

To evaluate the diagnosis and treatment of adult colonoscopy under general anesthesia for pediatric patients with synchronous hematochezia .

成人型结肠镜应用于2岁以上小儿是安全可靠的，且具诊断和治疗双重作用。