Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Right upper extremity PICC line is seen with its tip extending into the upper SVC . The heart is mildly enlarged . The lungs are clear . Mediastinal contour is normal . Tiny clips project over the left clavicle .
    OUTPUT:
    
1 . PICC line positioned appropriately . 2 . Mild cardiomegaly . 3 . No signs of pneumonia .