Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to ___ , the lung volumes are low and the right hemidiaphragm is obscured , possibly due to increased pleural effusion and right lower lobe atelectasis Pulmonary edema appear mildly improved , if not unchanged . Left lower lobe atelectasis appear unchanged . Bilateral nodular consolidations and peribronchial thickening is again seen , not significantly changed from prior . The heart size is mildly enlarged , possibly due to patient positioning . The mediastinum and hilar contours appear not significantly changed .
    OUTPUT:
    
Mildly increased right pleural effusion and right lower lobe atelectasis .