Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . The lung volumes are low with bibasilar atelectasis . The possibility of pneumonia in the lower lungs is therefore suboptimally assessed . The mid to upper lungs appear well aerated . The cardiomediastinal silhouette appears grossly stable . The previously noted PICC line has been removed . A drainage catheter projects over the right upper quadrant . No free air below the right hemidiaphragm . Bony structures are intact .
    OUTPUT:
    
Bibasilar opacities and atelectasis , pneumonia difficult to exclude . Interval removal of PICC line .