Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Cardiomegaly is mild . Hila appear slightly congested . COPD is suspected . Interstitial opacities likely reflect mild interstitial pulmonary edema . No large effusions or pneumothorax . Mediastinal contours unremarkable . Bony structures are intact .
    OUTPUT:
    
Mild cardiomegaly , mild interstitial edema , probable underlying COPD .