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Sensing unit and lenses: You will possibly have to accept a smaller sized sensing unit size, as well as no zoom lens. Much less glass suggests less weight, which indicates a longer flight time. Vibration: this

胃癌轉移成腹膜癌途徑

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一)浸潤性胃癌可沿粘膜或漿膜直接發展到胃壁、食管或十二指腸。一旦癌細胞侵入漿膜,很容易浸潤到鄰近的器官或組織,如肝、胰腺、脾、橫結腸、空腸、膈肌、大網膜和腹壁。當癌細胞脫落時,也可種植在腹腔、盆腔、卵巢和直腸膀胱等部位。 二)淋巴結轉移佔胃癌轉移的70%。胃下部份的癌腫瘤常轉移到幽門下、胃下腹腔動脈旁的淋巴結,而上部的癌常轉移到胰腺、賁門和胃上部旁的淋巴結。晚期腫瘤可轉移到主動脈周圍和上膈肌的淋巴結,與腹腔淋巴結的胸導管直接相連,因此可轉移到左鎖骨的淋巴結。 三)血液轉移 部分患者血中可見癌細胞,經門靜脈轉移至肝臟,可到達肺、骨、腎、腦、腦膜、脾、皮膚等部位。