Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided line ends in the mid superior vena cava . There is mild cardiomegaly . The aortic knob is calcified . There is a moderate right pleural effusion . There is right lower lobe compressive atelectasis and possible airspace opacities . The left lung is clear . There is no pneumothorax . There is no free air beneath the hemidiaphragms .
    OUTPUT:
    
moderate right pleural effusion and right lower lobe airspace opacities which could represent aspiration in the correct clinical setting .