Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Rightward mediastinal and cardiac shift reflect a small decrease in volume of the right hemithorax , but right lung volume is approximately unchanged secondary due to decrease in small right pneumothorax and concomitant increase in small right pleural effusion . The left lung is unremarkable . Heart size is normal , but larger today . There is no pulmonary edema or vascular congestion . Subcutaneous emphysema is unchanged in quantity , but different in distribution . A linear right lower lung opacity is probably atelectasis . Two right chest tubes are unchaned , one in the apex , the other in the base .
    OUTPUT:
    
1 . Small right apical pneumothorax reduced in volume , small right pleural effusion incresed , right lung volume stable .