Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: When compared to previous exams , there has been no significant interval change . Increased opacity at the left cardiophrenic angle is likely due to prominent fat pad and potentially atelectasis . This is unchanged when dating back to ___ . Slightly increased opacity in the posterior costophrenic angle is also present on priors , likely due to atelectasis . The cardiomediastinal silhouette is stable . No acute osseous abnormalities
    OUTPUT:
    
No acute cardiopulmonary process .