Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior radiographs on ___ , there has been resolution of a left apical pneumothorax and pneumomediastinum . The cardiac shadow has decreased in size . The left heart border is vague , likely secondary to a previously seen prevascular or anterior pleural fluid collection . Compared with prior radiograph , air has been resorbed from the fluid collection , and the overall volume of the fluid collection is probably smaller . There is no new consolidation or pleural effusion .
    OUTPUT:
    
Interval resolution of a left apical pneumothorax and pneumomediastinum compared with prior . The prevascular mediastinal or anterior pleural fluid collection is probably decreased in size .