Fig. 5From: Robot-assisted right wedge-shaped sleeve lower bilobectomy with knotless suture anastomosis: a case reportA Although the leading edge of the tumor extends to the vicinity of the bronchial stump, the stump is negative for cancer. B Gross findings showing tumors involving the bronchi and vessels and pus in the peripheral lung. C Proliferation of high-grade dysplastic squamous epithelial cells in the alveolar foci with central necrosisBack to article page