Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right central venous catheter terminates in the low SVC . The heart is top normal . The mediastinal and hilar contours are normal . The lungs are normally expanded and clear . There is likely a small right pleural effusion blunting the posterior costophrenic sulcus .
    OUTPUT:
    
Likely small right pleural effusion . No evidence of pneumonia . The heart is top normal .