Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left chest wall power injectable port and the right PICC line are present and unchanged . A metallic esophageal stent is also noted . Low bilateral lung volumes with bilateral layering pleural effusions and overlying atelectasis , not substantially changed . No pneumothorax identified . The size and appearance of the cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
Low bilateral lung volumes with no substantial change in the bilateral layering pleural effusions with overlying atelectasis . Underlying pneumonia however can not be excluded .