Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest demonstrates a right - sided pleural effusion , small to moderate in size . The left appears clear . Cardiac size is enlarged . No pneumonia . Right - sided dialysis catheter terminates in the right atrium . This patient is status post median sternotomy with the upper sternotomy wire broken .
    OUTPUT:
    
Right - sided pleural effusion . Cardiomegaly .