Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Sternotomy . Right IJ central line tip in the right atrium . Left chest , mediastinal tubes . There is tiny left apical pneumothorax . Small left pleural effusion , stable . Left basilar opacity has improved . There is tiny right pleural effusion . Shallow inspiration accentuates heart size . Improved pulmonary vascularity . Mild right basilar opacity , likely atelectasis .
    OUTPUT:
    
There is tiny left apical pneumothorax .