Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lung volumes are low limiting assessment . A gastrostomy tube is seen projecting over the upper abdomen . Mild basal atelectasis without convincing evidence for pneumonia . No edema , large effusion or pneumothorax . Cardiomediastinal silhouette is unchanged . Bony structures are intact .
    OUTPUT:
    
Bibasilar atelectasis , otherwise unremarkable exam .