Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: When compared to earlier exam , there has been no significant interval change . The lungs are grossly clear . Increased opacity at the lung bases likely due to overlying soft tissue as there is no finding on prior chest CT . Cardiomediastinal silhouette is stable . No acute osseous abnormalities .
    OUTPUT:
    
No significant interval change , no acute cardiopulmonary process .