Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to prior , there is increased interstitial opacities with linear thickened septal lines and right hilar opacities , concerning for mild pulmonary edema . Right mid lung opacity may represent atelectasis or developing pneumonia . Focal opacity on the left mid lung is likely atelectasis . There is no appreciable pneumothorax . Small bilateral pleural effusion as likely . Cardiomediastinal contours are stable and have expected postop appearance . Aortic valve replacement is seen . Multiple wedge deformities of the thoracic spine and severe kyphosis is again seen , unchanged from preop evaluation . Severe osteoarthritic changes of the right shoulder is again seen .
    OUTPUT:
    
1 . Right midlung atelectasis or developing pneumonia . Attention on follow - up radiograph is recommended . 2 . Mild pulmonary edema .