Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a moderate terminal large right pleural effusion with overlying atelectasis . Trace left pleural effusion is difficult to exclude . Moderate cardiomegaly is seen . There knob is calcified . Mediastinal contours are unremarkable . There is mild central pulmonary vascular engorgement without overt pulmonary edema . No pneumothorax is seen .
    OUTPUT:
    
Moderate to large right pleural effusion with overlying atelectasis , underlying consolidation difficult to exclude . Possible trace left pleural effusion . Moderate cardiomegaly . Central pulmonary vascular engorgement without overt pulmonary edema .