(IP 
  (NP-SBJ 
    (-NONE- *pro*))
                    
  (VP 
    (LCP-TMP 
      (PP 
        (ADVP 
          (AD 几))
                    
        (PP 
          (P 经)
                    
          (NP 
            (NN 检查))))
                    
      (LCP 
        (LC 後)))
                    
    (VP 
      (VV 发现)
                    
      (PU ，)
                    
      (IP-OBJ 
        (IP 
          (NP-SBJ 
            (DNP 
              (NP 
                (NN 孩子))
                    
              (DEG 的))
                    
            (NP 
              (NN 膀胱)
                    
              (NN 输尿管)))
                    
          (VP 
            (VV 回流)))
                    
        (IP 
          (NP-SBJ 
            (-NONE- *pro*))
                    
          (VP 
            (VV 造成)
                    
            (NP-OBJ 
              (NN 肾脏))
                    
            (IP 
              (NP-SBJ 
                (-NONE- *PRO*))
                    
              (VP 
                (VV 萎缩)))))))))
arg1: 
                    孩子 的 膀胱 输尿管