Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Port - A - Cath resides over the right chest wall with right IJ access and catheter tip in the region of the low SVC . Subtle opacity is noted in the left lower lobe which could represent a very early pneumonia in the correct clinical setting . Otherwise lungs are clear . No large effusion or pneumothorax . No signs of congestion or edema . Cardiomediastinal silhouette is stable and normal . Bony structures are intact . Clips are noted in the right upper quadrant .
    OUTPUT:
    
Subtle opacity in the left lower lobe could represent an early pneumonia .