Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Stable bibasilar atelectasis with minimal interval improvement in lung volumes . Heterogeneous opacity in the right lower lobe has partially cleared . No additional focal opacity , pleural effusion or pneumothorax . Chronic stable mildly enlarged heart with normal mediastinal and hilar contours and no pulmonary edema . Tortuous aorta noted .
    OUTPUT:
    
1 . Stable mild bibasilar atelectasis . 2 . Partial clearing of right lower lobe pneumonia .