Adenocarcinomas and large cell anaplastic carcinomas tend to occur more peripherally in lung 腺癌和大细胞未分化癌更常发生在肺边缘。
2.
Undifferentiated carcinomas with osteoclastic - like giant cells carry a similar prognosis to ductal adenocarcinoma 伴有破骨细胞样巨细胞的未分化癌与导管腺癌有相似的预后。
3.
Anaplastic carcinoma accounts for 10 % or less of thyroid cancers and occurs mostly in elderly patients and in women slightly more than in men 未分化癌在甲状腺癌中所占比例为10 % ，大多发生在老年人，女性略多于男性。
