Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Heart size is normal and mediastinal contours are stable . Markedly tortuous aortic contour is similar to prior and due to a proximal descending aortic graft . 4 .4 cm pleural based density in the left costophrenic angle is consistent with herniated fat , as seen on ___ chest MRI . No focal consolidation , pleural effusion , or pneumothorax . Postsurgical changes of the left hemithorax with left 5th rib deformity and elevated left hemidiaphragm are stable .
    OUTPUT:
    
No acute cardiopulmonary process . Stable appearance of the chest with tortuous aortic contour and left costophrenic angle herniated fat .