正沿支气管蔓延的燕麦细胞癌。斑点状黑色圆形区域说明存在肺门淋巴结转移。对化疗敏感，比放射治疗或外科手术治疗的疗效要好，但是预后较差。燕麦细胞癌几乎只发生于吸烟者。
Here is an oat cell carcinoma which is spreading along the bronchi. The speckled black rounded areas represent hilar lymph nodes with metastatic carcinoma. These neoplasms are more amenable to chemotherapy than radiation therapy or surgery, but the prognosis is still poor. Oat cell carcinomas occur almost exclusively in smokers.
