Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Mild vascular congestion is stable . There is no overt pulmonary edema . The lungs are hyperinflated and clear without focal opacity , pleural effusion or pneumothorax . Moderate cardiomegaly appears stable since ___ . The mediastinal contours are normal .
    OUTPUT:
    
No focal opacity concerning for pneumonia . Chronic COPD , cardiomegaly and mild vascular congestion . No overt pulmonary edema .