Polyp of gastric bowel path sees more at colon, can have black mix bellyacke, polyp of a few bowel is likely canceration, but oral cavity ill caustic is not had hinder.

 
  • 胃肠道息肉多见于结肠,可有黑便和腹痛,少数肠息肉可能癌变,但口腔病损无碍。
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