大便粗幼問題?

醫生你好,男39歲,二個前大便後,發現有2,3滴血,左下復有按壓痛,睇完家庭醫生探過肛門,醫生話無痔瘡,食完藥好返.到上個月,一次大便後發現,頭一段正常粗度,直脛大約３～３.５cm,長約１○cm,但後段只有食指粗度,長大約係頭段２倍多,無血.隔多一日去大便又正常返!!
今個月又出現同上個月一樣情況,醫生我大便正唔正常?係唔係有息肉先會令大便變幼,我要進一步檢查嗎? 做直腸鏡檢查大約要幾多錢?
謝謝!!

吳昊
醫生

吳昊醫生回覆:
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