Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were obtained . There is no focal consolidation , pleural effusion or pneumothorax . The lungs are clear . Again seen is an enlarged silhouette of the superior mediastinum compatible with known tortuous aorta and thoracic aortic aneurysm . Cardiomegaly with left ventricular configuration is stable . There are no acute skeletal abnormalities . There are clips seen in the right upper quadrant .
    OUTPUT:
    
No acute cardiopulmonary process .