Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Right chest wall Port - A - Cath is new from prior with catheter tip extending into the region of the low SVC . The lungs are clear . The heart size is normal . There is a extremely tortuous thoracic aorta again noted . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute findings in the chest . Catheter positioned appropriately . Markedly tortuous thoracic aorta .