Small cell lung cancer is neuroendocrine neoplasm and origins from APUD ( amine precursor uptake decarboxylation ) cell.小细胞肺癌是神经内分泌肿瘤,起源于APUD ( 胺前体摄取脱羧化 ) 细胞.A 16.6 cm fat containing neoplasm is seen in the popliteal fos...