Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Aeration of the lungs has improved in the interim . No focal consolidation , effusion , edema , or pneumothorax . Mild cardiomegaly is unchanged . The descending thoracic aorta slightly tortuous and / or ectatic , unchanged . Aortic knob calcifications are unchanged .
    OUTPUT:
    
No acute cardiopulmonary process .