Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . A flask shaped opacity in the right lower lobe is compatible with a large hiatal hernia . There is no consolidation , effusion , or pneumothorax . Cardiomegaly is mild . Aortic arch calcifications are mild . Diffuse demineralization of the osseous structures is noted with mild loss of height of multiple thoracic vertebral bodies . Heterotopic ossifications vs . loose bodies are noted in the left shoulder .
    OUTPUT:
    
1 . Large hiatal hernia . 2 . No acute cardiopulmonary abnormality .