Nine people got hernia operation three days ago in Tonj South County of Warrap State.
Tonj Civil Hospital medical doctor Mum Mayuon said nine people got successful hernia surgery and others were on line, Don Bosco Radio reported.
He urged people who registered in Tonj Civil Hospital and Indeed and Truth ministry for hernia surgery and other diseases to turn up for the operation.
Dr Mayuon said the doctors who come from America and Kenya were working hard to safe lives of people.
He urged all the registered people to turn up for the operation because seven days were left for the operation.