Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Mild cardiomegaly and a tortuous thoracic aorta are relatively unchanged . No focal opacity , pulmonary edema , pleural effusion or pneumothorax is identified .
    OUTPUT:
    
No current findings concerning for pneumonia . If the prior films are made available , comparison can be made and an addendum to this report will be issued .