Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are normal . Lungs are clear , and there are no pleural effusions . Scoliosis is noted as well as degenerative changes in the spine .
    OUTPUT:
    
No conventional radiographic evidence of lung nodule . Direct comparison to outside radiograph with reported nodule would be helpful for initial further assessment .