1.
现场细胞学甲苯胺蓝染色（×200）肿瘤细胞胞浆稀少，呈裸核状，核深染，不规则（小细胞肺癌）。
Rapid on-site evaluation with Toluidine blue stain (×200). Tumor cells with little cytoplasm, naked nucleus, and the nucleus were hyperchromatic and irregular (small cell lung caner).
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