Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the pelvis were reviewed . There is stable mild cardiomegaly . Mediastinal and hilar contours are unchanged . There are small bilateral pleural effusions . There is no pneumothorax . Patchy opacity within the lower lobe on the lateral view , may be due to atelectasis or pneumonia .
    OUTPUT:
    
Small bilateral pleural effusion and lower lobe opacity on the lateral view could reflect atelectasis or pneumonia .