Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are stable . Patient has known cardiomegaly . Chronic right middle lobe collapse , volume loss in the right upper lobe , and a smaller atelectasis in the lingula are better seen on prior CT . There is no evidence of new abnormalities . . There is no pneumothorax or pleural effusion . Mild degenerative changes in the thoracic spine
    OUTPUT:
    
No acute cardiopulmonary abnormalities . No evidence of pneumonia or pulmonary edema Chronic right middle lobe collapse , volume loss in the right upper lobe , and a smaller atelectasis in the lingula are better seen on prior CT