Bevacizumab is a monoclonal anti vascular endothelial growth factor (VEGF) which has proven effective in many indications in oncology. Vascular endothelial growth factor (VEGF) is an angiogenic factor which increases endothelial permeability. It plays a central role in many tumors of epithelial origin. In this context, it is legitimate to ask whether an antiangiogenic targeting VEGF may be effective in patients with metastatic pleurisy by decreasing local blood supply and over-permeability.