Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison with chest radiograph from ___ , inspiratory volumes may be minimally improved . Left pleural effusion has mildly decreased . No large effusion on the right . New , ill - defined opacity at the right lung base is consistent with atelectasis , possibly with a small effusion . Retrocardiac opacity is consistent with left lower lobe collapse and / or consolidation and is grossly unchanged . There is no new focal consolidation . No pneumothorax detected . Left chest tube again noted , slightly different in configuration . Otherwise , moderate and support devices remain in unchanged position .
    OUTPUT:
    
1 . No pneumothorax detected . 2 . Mildly improved left pleural effusion , small overall . Unchanged left lower lobe collapse and / or consolidation . 3 . New basilar atelectasis . Minimal blunting of the right costophrenic angle also new .