Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are compared to previous exam from ___ and CT chest from ___ . Again seen is a right - sided pleural effusion which is not significantly changed in size , which is partially loculated posteriorly seen on the lateral view . Opacity in the right mid lung is compatible post-irradiation changes , but better characterized by prior CT . The left lung remains clear . Trace left - sided effusion is seen . The left lung remains clear . Cardiomediastinal silhouette is unchanged . Surgical clips in the right upper quadrant suggest prior cholecystectomy . Osseous and soft tissue structures are unchanged noting multiple thoracic compression deformities , not definitely changed from CT scan .
    OUTPUT:
    
No significant interval change . Right pleural effusion and post-treatment changes in the right mid lung , unchanged from prior .