Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are again low in volume . Right small - to - moderate pleural effusion is unchanged with slight interval decrease in degree of left pleural effusion . Tip of right PICC is not well seen but appears to be in the distal SVC . The cardiac silhouette is not well evaluated but appears mildly enlarged .
    OUTPUT:
    
Bibasilar atelectasis with small - to - moderate right greater than left pleural effusions . The left is minimally improved .