Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart remains moderately enlarged . The mediastinal contours are unchanged . There is moderate pulmonary edema , similar compared to the prior exam , with a small to moderate left pleural effusion , also relatively unchanged . Probable small right pleural effusion is likely present . No pneumothorax is identified . Left basilar opacification likely reflects compressive atelectasis . There is no pneumothorax or acute osseous abnormality .
    OUTPUT:
    
Moderate pulmonary edema and unchanged small to moderate left and small right pleural effusions . Retrocardiac opacity likely reflects compressive atelectasis .