Left lower lobectomy specimen：(lower lobe of left lung) 1、malignant tumor, combined with immunohistochemical results, diagnosed as lung adenocarcinoma (papillary type); 2. No cancer tissue is found in bronchial stump;3、No metastasis was found in interlobar lymph nodes （0/2) and hilar lymph node(0/1).
TTF-1（+），CK7（+），Her2（30%,+），P53（+,Weak positive, a few cell），EGFR（Weak positive+），Ki-67（about 10%+）
Left lower lobectomy specimen：The volume is 15 * 8 * 5cm. There is a gray yellow mass with volume of 3.5 * 1.7 * 1.5cm. The section is gray white and medium in quality. The lung tissue adjacent to the tumor was gray red, soft, bronchiectasis was seen, and no obvious satellite lesions were found.
Gender：F
Age：72
family history ：Parents died for unknown reasons
Serological examination ：_
surgical mode ：Left lower lobectomy
Tumor size：3.5 * 1.7 * 1.5cm
Disease status(primary/relapse)：primary
G：II
TNM：T2aN0M0
Stage：IB
Gene：ROS1
Mutant Site：PCR
Mutation Type：fusion
% tumor ：*
% necrosis：*
