Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is increased left hemopneumothorax compared to ___ . Increased opacity at the left lung base is probably due to increased amount of hemothorax . There is increased left apical pneumothorax . Right mediastinal shift is slightly increased . Left heart border is flattened , suggestive of increased tension . There are multiple displaced rib fractures on the left .
    OUTPUT:
    
Left hemopneumothorax is increased compared to ___ , causing increase in tension and contralateral mediastinal shift .