Smooth muscle tumor and skeletal muscle tumors: There has been no significant change in this group.

平滑肌肿瘤与骨骼肌肿瘤: 这个群组并未有明显的改变.

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Mainly rare smooth muscle tumor, a longer course of disease, dysphagia more intermittent.

主要为少见的平滑肌瘤, 病程较长, 咽下困难多为间歇性.

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