Right lower lobectomy specimen：1. (lower lobe of right lung) lung adenocarcinoma, papillary type (90%), acinar type (10%), another satellite tumor about 0.5cm in size, without clear vascular invasion, pulmonary capsule and bronchus without cancer involvement.2. No cancer tissue is found in bronchial stump;3、No metastasis was found in (group 2 / 4 / 7 / 10 / 11 lymph nodes (0/1,0 / 2,0 / 3,0 / 1,0 / 1) .
CK7(+),Napsin-A(+)，TTF-1(+)，P40(-)，Ki-67 about 10%(+)
Right lower lobectomy: The volume is 15 * 7 * 1.5cm. Two nodules with a diameter of 0.5-1.8cm can be seen on the section. The section is gray and gray brown and medium in quality, and the boundary is not clear.The distance between tumor and pulmonary membrane was 0.3cm.
Gender：M
Age：40
family history ：Parents are alive
Serological examination ：Serum CEA , NSE was normal
surgical mode ：right lower lobectomy
Tumor size： Two nodules with a diameter of 0.5-1.8c
Disease status(primary/relapse)：primary
G：II
TNM：T2aN0M0
Stage：IB
Gene：ROS1
Mutant Site：PCR
Mutation Type：fusion
% tumor ：*
% necrosis：*
