Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to ___ , right - sided PICC at the cavoatrial junction . Weighted feeding tube with the tip in the body of the stomach . Increasing left basal opacity and moderate left effusion . Minimal subsegmental atelectasis in the right lung base . Possible new nodular opacity with central cavitation in the right lower lobe . No pneumothorax . The cardiac mediastinal contours are stable .
    OUTPUT:
    
Increasing left retrocardiac opacity and moderate left effusion . Possible new nodular opacity with central cavitation in the right lower lobe , probably due to superimposed vascular structures and costal cartilage mimicking a nodule . Suggest initial follow - up with repeat radiograph to reassess this area .