select *
  from (select *
          from (select case
         when rownum > 2 then
          '         ' ||  decode(a.ZDMC00,'','—',a.ZDMC00)
         else
          a.zdlbmc || ' ' ||  decode(a.ZDMC00,'','—',a.ZDMC00)
       end ZDMC00,
       case when zdlbmc is not null and ZDMC00 is null then '—' else 
                          a.ZDM000 end ZDM000,
       case when zdlbmc is not null and ZDMC00 is null then '—' else 
                          decode(a.RYBQ00,'有','1','临床未确定','2','情况不明','3','无','4') end RYBQ00
  from (select decode(n.zdlbmc,
                      '出院主要诊断',
                      '主要诊断',
                      '出院其他诊断',
                      '其他诊断',n.zdlbmc) zdlbmc,
               SF_ZS_ZDMCFWBW_DZBL(FWMC00,BWMC00,ZDMC00,ZDBZ00) ZDMC00,
               t.ZDM000,
               t.rybq00
          from (select dm0000,mc0000 zdlbmc from XT_ZDLB00 where dm0000 in('3','4')) n left join VW_BQ_BRZDXX_DZBL t on n.dm0000=t.ZDLB00 and  zyid00 =2212116 and ZDFS00 = '1' order by dm0000, PLXH00,ZDPLXH , ID0000) a 
 where rownum < 10)
        union all
        select  null zdmc00, null zdm000, null ryqk00
          from dual
        connect by level < 10)
 where rownum < 10