Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to the prior radiograph , there is mild interstitial pulmonary edema . The opacity in the left lower lobe , likely atelectasis , is improving . Left pleural effusion is slightly smaller . There is no new parenchymal opacity to suggest pneumonia . Moderate cardiomegaly is unchanged . A right PICC catheter terminates in the lower SVC . There is a feeding tube coiled within the stomach . Osseous structures demonstrate multiple healed rib fractures .
    OUTPUT:
    
1 . Mild interstitial pulmonary edema . 2 . Improving left pleural effusion and lower lobe atelectasis .