Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Pleural drain projecting over the right hemi thorax and heart is in different configuration compared to the study of ___ , however there is no evidence of pneumothorax . Scarring at the right apex is unchanged . There is no large pleural effusion . Heart size is normal . The mediastinal and hilar contours are unchanged . There is no evidence of new focal airspace opacity to suggest pneumonia or pulmonary edema .
    OUTPUT:
    
No pneumothorax or large pleural effusion . No pulmonary edema .