Figure 6

56 year old female with NSCLC treated with Bevacizumab. A-B. Computed tomography and PET-CT demonstrating soft tissue mass in the right middle lobe extending to the right hilar region demonstrating significantly increased tracer uptake. C-D. After 2 cycles of Bevacizumab (Avastin) there has been interval development of pulmonary cavitation within the central portion of the RML mass. PET-CT showing central cavitation and decrease in FDG uptake in the central portion of the mass (arrow). Persistent peripheral soft tissue and right hilar adenopathy are seen.