Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided Port - A - Cath terminates at the cavoatrial junction in appropriate position . The cardiomediastinal and hilar contours are within normal limits . The heart is normal in size . The aorta is mildly tortuous . Focal opacity in right lower lobe partially obscuring the right hemidiaphragm posteriorly is best seen on the lateral view . There is no no focal consolidation , pleural effusion or pneumothorax .
    OUTPUT:
    
Focal right lower lobe opacity could potentially represent an early focus of pneumonia . Short - term followup radiographs may be helpful in this regard .