At high magnification, the nests of carcinoid tumor have a typical endocrine appearance with small round cells having small round nuclei and pink to pale blue cytoplasm.

• 在高倍镜下可见，此种癌组织有典型的内分泌细胞的外观，呈小圆形，细胞核呈小圆形，胞浆淡蓝染。