Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with ___ , the left pleural effusion is markedly smaller , with some probable pleural fluid along the medial aspect of the lower left lung . A chest tube is in place at the left lung base . There is a probable tiny left apical pneumothorax . Again seen is a spiculated opacity in the left suprahilar region , with surrounding hazy opacity in the left upper zone , consistent with known mass . The right lung is grossly clear , without CHF , infiltrate , effusion , or pneumothorax . The mediastinum remains midline .
    OUTPUT:
    
Marked interval improvement in the left pleural effusion , with left lung base chest tube now in place . Probable tiny left apical pneumothorax . Otherwise , I doubt significant interval change .