Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . Mild cardiomegaly is again seen . There is a tortuous descending thoracic aorta and calcification of the aortic knob . No pleural effusion or pneumothorax . The osseous structures demonstrate general osteopenia , with no acute abnormality appreciated .
    OUTPUT:
    
Stable cardiomegaly with no evidence of edema or pneumonia .