Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Relatively low lung volumes are seen ; however , the lungs are clear without focal consolidation or effusion . The cardiomediastinal silhouette is within normal limits . Severe degenerative changes noted at the right shoulder . No acute osseous abnormality is identified .
    OUTPUT:
    
No definite acute cardiopulmonary process .