Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right lung base opacity has decreased since ___ with improved aeration . Fluid in the major fissure on the right is also decreased . Mild pulmonary edema is stable compared to the baseline chest x-ray from ___ . The cardiomediastinal silhouette is normal . The PICC line ends at the proximal SVC .
    OUTPUT:
    
Effusion , edema and bibasilar opacities have significantly improved as the lung volume are more expanded lungs . Mild interstitial edema remains .