Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . No focal pulmonary consolidation , pulmonary edema , pleural effusion , or pneumothorax . Normal cardiomediastinal silhouette , pleura , and hila . Elevated right hemidiaphragm with associated incidental note of the colon interposed between the liver and diaphragm in the sub - diaphragmatic right upper quadrant of the abdomen , unchanged since at least ___ . Stable appearance of the thoracic spinal fixation devices and prior kyphoplasty . Slight pectus excavatum . No acute osseous abnormality .
    OUTPUT:
    
1 . No acute cardiopulmonary process including no focal consolidation to suggest pneumonia . 2 . Incidental variant , Chilaiditi syndrome with associated elevation of the right hemidiaphragm .