Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post repair of left diaphragmatic hernia . Compared to ___ , there is no significant change . Previous left apical pneumothorax appear replaced with fluid . Left lung base atelectasis and pleural effusion appear stable and unchanged . The right lung is unchanged and grossly normal . The heart size is likely top normal . The mediastinal and hilar contours are unremarkable .
    OUTPUT:
    
Stable postop appearance . Previous small left apical pneumothorax now replaced with fluid .