三、早期浸润癌 早期浸润癌（early invasive carcinoma） 是指原位癌已突破基底膜向深层浸润，但浸 润的深度不超过基底膜下3~5mm，且无淋巴 结转移。此时若能及时治疗，预后较好。
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胆管癌早期即可通过淋巴、胆管壁及神经途径转移，浸润性生长是其主要病理学特点。
ObjectiveCholangiocarcinoma may metastasis via lymphatic, bile duct and nerve at early stage, infiltrating growth is its major feature of Pathology.
术前CT检查对食管癌气管、支气管、隆凸浸润早期的诊断，并不能作为放弃手术治疗的依据。
Operatablity did not completely depend on the invasion of the trachea, bronchus and carina of esophageal carcinoma performed with CT.
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