Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is rotated to the right . Appearance of increased opacity at the left lung base is likely due to position and subsequent differences in overlying soft tissues . The lungs are clear . There is no effusion , consolidation or edema . The cardiomediastinal silhouette is within normal limits . Hypertrophic changes are noted in the spine .
    OUTPUT:
    
No acute cardiopulmonary process .