Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . The lungs are clear without focal consolidation , effusion , or pulmonary vascular congestion . Rounded contour abnormality at the right cardiophrenic angle is compatible with patient 's known hiatal hernia . The cardiomediastinal silhouette is otherwise unremarkable beside the atherosclerotic calcifications at the aortic arch . No acute osseous abnormality is identified .
    OUTPUT:
    
No acute cardiopulmonary process .