Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the most recent examination , there has been interval increase in now a small - to - moderate left layering pleural effusion . There is mild improvement in ill - defined nodular opacification scattered throughout all lung fields as better characterized on recent CT . There is no evidence of pneumothorax . There is no right - sided effusion . The cardiomediastinal and hilar contours are stable , demonstrating borderline enlarged heart size . Pulmonary vascularity is not increased .
    OUTPUT:
    
1 . Mild interval increase in now small - to - moderate left layering pleural effusion since most recent examination . 2 . Mild improvement in multifocal ill - defined nodular opacification , as better characterized on CT from ___ .