Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate minimal interval change from the prior study . Stable cardiomegaly is noted . The lungs are clear . The heart , mediastinal and hilar contours are unchanged . Degenerative changes of the spine are again noted and stable .
    OUTPUT:
    
Minimal change since the prior study . No evidence of pulmonary edema .