Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is an opacity at the left upper lung increasing from prior . Tracheostomy tube terminates 2 cm above the carina . Right PICC line is in the lower SVC . A chest drain is seen terminating at the right lung base . Bilateral pleural effusions are unchanged . A stent is seen in the right common carotid . There is minimally improved mild to moderate pulmonary edema . Cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
Bilateral pleural effusions unchanged . There is minimally improved mild to moderate pulmonary edema .