Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Lateral view suboptimal due to underpenetration . Again seen , are metallic sternotomy closure devices and a prosthetic aortic valve . Previously noted left IJ central venous catheter has been removed . The cardiomediastinal silhouette is stable . Small bilateral pleural effusions are better assessed on concurrently performed CT abdomen pelvis . There is mild interstitial pulmonary edema . No pneumothorax . Bony structures appear grossly intact .
    OUTPUT:
    
1 . Mild pulmonary edema , tiny bilateral pleural effusions . 2 . No convincing sign of pneumonia .