Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a large left - sided pleural effusion that has increased when compared to examination from ___ . Heart size can not be evaluated due to pleural effusion . The hilar and mediastinal contours are normal . There are ill - defined opacities in the right middle lobe and left upper lobe which are better characterized on prior CT from ___ . Other small lung nodules seen on prior CT are below the resolution of chest x-ray . There is no pneumothorax . Right supraclavicular central venous infusion port is seen in the upper right atrium . A transverse pacer defibrillator lead is seen within the right ventricle .
    OUTPUT:
    
Interval increase of large left pleural effusion .