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原发性肺癌是指由支气管粘膜上皮细胞恶变而来的恶性肿瘤。原发性肺癌又可大体上分为小细胞肺癌(Small CellLung Cancer,SCLC)和非小细胞肺癌(Non-small Cell LungCancer,NSCLC)。非小细胞肺癌易由血道和(或)淋巴道播散,是全世界最普遍的癌症之一。据估计,全世界每年约有17万新
Primary lung cancer is a malignant tumor that is malignant transformed by bronchial mucosal epithelial cells. Primary lung cancer can be broadly divided into Small Cell Lung Cancer (SCLC) and Non-Small Cell Lung Cancer (NSCLC). Non-small cell lung cancer is easily spread by the bloodstream and / or lymph nodes and is one of the most common cancers in the world. It is estimated that there are about 170,000 new people in the world each year