Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP semi upright and lateral views of the chest provided . Lung volumes are low with right basal atelectasis noted . No convincing evidence for pneumonia edema , effusion or pneumothorax . Heart size is top - normal . Mediastinal contour is normal . Bony structures appear grossly intact .
    OUTPUT:
    
Right basal atelectasis , top normal heart size , otherwise unremarkable .