Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left PICC tip terminates in the SVC . Low lung volumes are noted . The cardiac silhouette size is unchanged and is mildly enlarged . The aorta remains tortuous . There is mild to moderate pulmonary edema , which appears progressed in the interval . Small left pleural effusion is present . Opacification in both lung bases likely reflects atelectasis though infection can not be excluded . Coronary artery stent is again demonstrated . There is no pneumothorax .
    OUTPUT:
    
Worsening pulmonary edema , mild to moderate in extent , with bibasilar opacities likely atelectasis and small left pleural effusion . Please note that infection in the lung bases can not be excluded .