Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Small opacity in the periperhy of the left lower lung represents chronic atelectasis . Moderate cardiomegaly is unchanged . The mediastinal and hilar contours are stable . There is no pulmonary edema . There are likely tiny bilateral pleural effusions . Lung volumes are increased compatible with COPD . The calcified right thyroid nodule is redemonstrated . The aorta is tortuous and calcified . There is no pneumothorax .
    OUTPUT:
    
1 . Stable moderate cardiomegaly . No pulmonary edema . 2 . Increased lung volumes compatible with COPD . 3 . Chronic mild left lower lobe atelectasis . 4 . Possibly tiny bilateral pleural effusions .