Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post coronary artery bypass graft surgery . The heart is mild to moderately enlarged . The mediastinal and hilar contours appear unchanged . Superimposed on a large known mass in the right lower lobe are new multifocal opacities in both the right upper and lower lobes most suggestive of multifocal pneumonia . The left lung remains clear . There is no definite pleural effusion or pneumothorax . Mild rightward convex curvature is similar with osteophyte formation along the visualized thoracic spine .
    OUTPUT:
    
Findings most suggestive of multifocal pneumonia . Large underlying mass , suspicious for malignancy , in the right lower lobe .