Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Left upper extremity PICC line is seen with its tip located in the low SVC . The heart is enlarged , stable . The lungs appear clear . No large effusion or pneumothorax . The mediastinal contour appears normal . Chronic degenerative disease at the shoulders noted . No acute bony injuries .
    OUTPUT:
    
PICC line positioned appropriately . Stable cardiomegaly .