收集口腔颌面部肉瘤标本37例，良性间叶组织肿瘤14例和5例正常肌肉或脂肪组织标本。
OMFS samples, 14 benign mesenchymal tumor samples and 5 normal mesenchymal tissue samples were collected.
结果：引起胃底贲门部肿块的疾病有癌肿21例、静脉曲张14例、间叶组织肿瘤11例、食管裂孔疝8例。
Results:The types of the cardia diseases included carcinoma (21), esophageal varices (14), mesenchyme tissues neoplasm(11) and esophagus hiatus hernia (8).
肝脏间叶性错构瘤是一种良性病变，可能是肝门结缔组织的发育异常。而不是肿瘤病变的过程。
HMH is a benign tumor of the liver that likely represents a developmental anomaly of the portal connective tissue rather than a neoplastic process.
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