Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right internal jugular line tip is at the level of superior SVC . Pacemaker leads terminate in the expected location of right atrium and right ventricle . Since the prior study there is no change in parenchymal opacities as well as in multiple calcified pleural plaques . Moderate left - sided pleural effusion and retrocardiac opacity slightly increased .
    OUTPUT:
    
Moderate left - sided pleural effusion and retrocardiac opacity slightly increased .