Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The cardiac and mediastinal silhouettes are stable . The cardiac silhouette is mildly enlarged . The aorta is calcified and tortuous . Multilevel degenerative changes are again seen along the spine . No displaced fracture is seen .
    OUTPUT:
    
Stable chest radiograph ; no evidence of acute intrathoracic process .