远端壁内扩散可同时或分别沿黏膜层、黏膜下层、内环肌层、外纵肌层和浆膜层进行。

Distal intramural spread could be via mucosa, submucosa, inner circular muscular layer, outer longitudinal muscular layer or serosa, either separately or concomitantly.

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远端壁内扩散可同时或分别沿黏膜层、黏膜下层、内环肌层、外纵肌层和浆膜层进行。

Distal intramural spread could be via mucosa, submucosa, inner circular muscular layer, outer longitudinal muscular layer or serosa, either separately or concomitantly.

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