右肺上叶大部分区域呈现灰白色外观。
Most of the upper lobe toward the right has a pale tan to grey appearance.
目的：探讨左肺上叶癌外科治疗的经验和体会。
Objective: To explore the experience of surgery treatment of left upper lobe lung cancer.
矽肺合并肺癌多为早期矽肺，肺癌病变多分布在肺上叶，病理形态鳞癌较多。
Most of the cases with silicosis complicated by lung cancer are in early stage.
矽肺合并肺癌多为早期矽肺，肺癌病变多分布在肺上叶，病理形态鳞癌较多。
Most of the cases with silicosis complicated by lung cancer are in early stage.
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