Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of chest . When compared with prior , there has been continued interval decrease in the opacity blunting the left lateral costophrenic angle which may be due to resolving loculated effusion . This may also be due to pleural thickening or scar given overlying rib deformities suggesting prior trauma / surgery . The lungs are otherwise are clear . The cardiomediastinal silhouette is normal . No acute osseous abnormalities are noted with folds right ___ lateral rib fracture and deformities of the left ribs .
    OUTPUT:
    
Continued interval resolution of the opacity at the left lateral costophrenic sulcus . No acute cardiopulmonary process .