Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest radiograph provided . A left subclavian access Port - A - Cath is seen with its tip in the region of the low SVC . The lungs appear clear . No right CP angle is partially excluded . No convincing signs of pneumonia or CHF . No large effusion or pneumothorax . Bony structures appear intact .
    OUTPUT:
    
No acute abnormalities .