One case of primary @entity358 is presented. @entity358 is a rare @entity5 . Of 83 cases reported in the literatures, 54 were recorded in detail. The incidence of the disease in the male is higher than that in the female. @entity1 , adolescents and young adults may be involved. Its clinical and X-ray manifestations are similar to those of @entity2 . The diagnosis is established by pathologic examination. Direct visualization, biopsy and brushing during bronchoscopy are important methods for preoperative diagnosis. The chance of positive sputum cytology is very small. The pathologic features of this disease are emphasized. It is suggested that surgery be more effective for this @entity5 than the other @entity2 .

[Primary XXXX --a case report].

@entity5 :: ('MESH:D009369', 'Disease') :: ['tumor'] @entity1 :: ('9606', 'Species') :: ['Children'] @entity358 :: ('MESH:D008171', 'Disease') :: ['Leiomyosarcoma of the lung', 'leiomyosarcoma of the lung'] @entity2 :: ('MESH:D008175', 'Disease') :: ['lung cancers', 'lung cancer']
@entity358 :: (MESH:D008171,Disease) :: ['leiomyosarcoma of the lung']
