Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest were compared to previous exam ___ ___ . When compared to prior , previously seen right - sided pneumothorax is slightly smaller . There has , however , been interval enlargement of the right - sided pleural effusion . Slight leftward deviation of the mediastinum is unchanged . The left lung remains clear . The cardiomediastinal contours are stable . The osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
Slight interval decrease in size of right - sided pneumothorax ; however , interval enlargement of the right - sided pleural effusion . Stable mild leftward deviation of the cardiomediastinal silhouette .