Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to chest radiograph from earlier today , left pigtail catheter has been removed . Tiny left apical pneumothorax has increased millimetric since the prior examination . Small left pleural effusion . Nodular opacity in the left upper lobe likely post biopsy hemorrhage . The cardiomediastinal contours are unremarkable .
    OUTPUT:
    
Tiny left apical pneumothorax with millimetric increase since the prior exam .