Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP chest radiograph demonstrates decreased lung volumes with mildly enlarged heart size when compared to prior chest radiograph dated ___ . Small bilateral pleural effusions persist . There is no overt pulmonary edema or no pneumothorax . No focal consolidation is identified . Severe chronic degenerative changes identified in the right glenohumeral joint . Sternotomy wires appear intact .
    OUTPUT:
    
Mildly enlarged heart with no overt pumonary edema . No pneumonia .