FIGURE 6. BAC (2.0 cm) without recurrence in 50 mo. (A) CT scan shows nodule in right lung. (B) 18F-FDG PET shows modest uptake of 18F-FDG in tumor (SUV = 1.32). (C) CD31 immunohistochemical analysis shows moderate MVD. (D) CD105 immunohistochemical analysis shows low MVD.