1. (upper lobe of right lung) peripheral invasive adenocarcinoma, some are mural adenocarcinoma, some are acinar adenocarcinoma, and the cancer tissue does not invade the pleura, 2. No cancer tissue was found in the bronchial stump, 3. No metastatic carcinoma was found in lymph nodes.

TTF-1(+), SP-B(+，local), NapsinA(+), CK(+), CK18(+), Ki-67(+，about 20%), p63(-), CK5/6(-), p40(-), Syn(-), CD56(-), Vimentin(-), S-100(-)

There is no adhesion or effusion in the right thoracic cavity. The mass is located in the posterior segment of the upper lobe of the right lung, with a size of about 6cmx5cmx5cm. The section is grayish yellow and hard, and the tumor invades the visceral pleura.