Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Lung volumes are low . Overall , there has been no significant change from the recent prior exam . Atelectasis in the left lower lobe is similar in overall extent with known left lower lobe mass better assessed on prior CT . There is mild right basal atelectasis . No large effusions or pneumothorax . Cardiomediastinal silhouette appears grossly unchanged . No acute bony abnormalities . No free air below the right hemidiaphragm .
    OUTPUT:
    
No significant change . Left lower lobe mass with adjacent atelectasis . Mild right basal atelectasis .