Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild cardiomegaly . Severe calcification of the aortic valve is better seen on prior CT . The lungs are hyperinflated . Multiple lung nodules are better seen on prior CT . There is no evidence of pneumonia or pulmonary edema . There are minimal atelectasis in the left base . Surgical chain projects in the right upper lung . There is no pneumothorax or pleural effusion . Wedge shaped compression fractures of mid thoracic vertebral bodies are again noted .
    OUTPUT:
    
No pneumonia or pulmonary edema . Multiple lung nodules are better seen on prior CT Severe calcification of the aortic valve better seen on prior CT is of unknown hemodynamic significance