Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright AP and lateral views of the chest provided . Mild basal atelectasis noted . There is no evidence of pneumonia or edema . No large effusion or pneumothorax . The cardiomediastinal silhouette appears normal . Imaged bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Minimal basal atelectasis , otherwise unremarkable exam .