Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided internal jugular catheter is stable in good position . Mild interstitial pulmonary edema persists . A new peripheral rounded opacity in the right lower lobe could represent loculated pleural fluid versus a peripheral consolidation that is infection or infarction . Left basal opacity and effusion are unchanged .
    OUTPUT:
    
Mild interstitial pulmonary edema unchanged . New peripheral rounded opacity in the right lower lobe could be loculated pleural fluid or new infection or infarction .