Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is within normal limits . The mediastinal contours demonstrate a small - to - moderate hiatal hernia . A nodular density projects above the left hilus . The lungs ___ volumes but are clear . There is no pleural effusion or pneumothorax . Degenerative changes are seen in the spine . Opacity in the left upper quadrant may represent splenomegaly .
    OUTPUT:
    
1 . Hiatal hernia , but no acute cardiopulmonary process . 2 . Left suprahilar nodular density - shallow obliques may be helpful - discussed with ___ at 8 :06 am on ___ by ___ over the phone .