Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left port ends in the proximal right atrium . A moderate right pleural effusion appears increased since 2 days ago . A right pigtail catheter appears in appropriate position . The lung volumes have decreased and bilateral patchy parenchymal opacities are not significantly changed . The cardiac and mediastinal contours are stable . There is no pneumothorax .
    OUTPUT:
    
Interval increase in a moderate right pleural effusion . The right pigtail catheter is in appropriate position .