Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior radiograph , there is new right lower lobe atelectasis and consolidation in the area of the fiducial marker , as seen on the prior CT chest . Left lung is clear without pleural effusion . Cardiomediastinal silhouettes are grossly unchanged .
    OUTPUT:
    
New right lower lobe atelectasis and consolidation in the region of the fiducial marker may potentially represent growth of tumor . This is more clearly identified on the CT abdomen and pelvis from the same date . If clinically warranted , consider CT chest for further evaluation .