A 75 yeаr оld mаle presents tо the emergency depаrtment with shоrtness of breath, fever, and cough. He is currently receiving chemotherapy for lung cancer. Upon imaging, the patient is found to have an excess of pleural fluid. You examine the pleural fluid and find that the WBC count is increased, with the differential showing 92% neutrophils. What type of fluid would this be (exudate or transudate) and what is the most likely mechanism of formation?