Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are essentially clear . Small bilateral pleural effusions are noted , smaller on the right compared to the prior radiograph from ___ . Heart size is enlarged , as before . No evidence of pneumonia or pulmonary edema . No pneumothorax .
    OUTPUT:
    
1 . Small bilateral pleural effusions , right greater than left . 2 . No evidence of pulmonary edema or pneumonia .