Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been i marked nterval decrease in the the left - sided pleural effusion . There continues to be volume loss at both bases and a patchy alveolar infiltrate on the right . There is a right IJ Swan - Ganz catheter with tip in the right main pulmonary artery . There small bilateral pleural effusions . The NG tube tip is off the film , at least in the stomach . The ET tube is unchanged
    OUTPUT:
    
Interval decrease in left pleural effusion