Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided central venous catheter seen with tip at the RA SVC junction . There is no pneumothorax . The lungs are clear . There is no large effusion or consolidation . Moderate cardiomegaly is similar compared to prior . S - shaped thoracic scoliosis is again noted .
    OUTPUT:
    
Cardiomegaly without superimposed acute cardiopulmonary process .