Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomegaly , coronary calcifications , aortic valve calcification and and dilatation of the main pulmonary artery are better seen in concurrent chest CT . The lungs are grossly clear . There is no pneumothorax or pleural effusion . There are moderate degenerative changes in the thoracic spine
    OUTPUT:
    
No acute cardiopulmonary abnormalities