Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chain sutures in the left suprahilar region are compatible with prior left upper lobe resection . The heart size is mildly enlarged . Aortic knob is calcified . Mediastinal contours are unchanged . Lungs are hyperinflated with emphysematous changes again demonstrated . Small bilateral pleural effusions are new . Patchy opacities in the lung bases may reflect atelectasis , but infection is not excluded . Perihilar haziness suggests mild pulmonary edema . There is no pneumothorax . No acute osseous abnormalities demonstrated . Compression fracture of a mid thoracic vertebral body is unchanged .
    OUTPUT:
    
Mild pulmonary edema and small bilateral pleural effusions . Emphysema . Patchy opacities in the lung bases likely reflect atelectasis but infection can not be excluded .