1.   She was rushed to Northampton General Hospital where she underwent several hours of surgery, including a tracheotomy operation.

2.   Gilpatrick undergoes many hours of physical therapy every week with the goal of improving his ability to walk.

3.   He said that Matilda had undergone several hours of surgery on Friday afternoon.

4.   None of those injured were still hospitalized Friday evening except Hoffman, who underwent several hours of surgery on Thursday night for wounds to his jaw and face.

5.   On Wednesday, he underwent several hours of brain surgery and was listed in very critical condition.

6.   On Wednesday, he underwent several hours of brain surgery at Bellevue Hospital and was listed in very critical condition.

7.   Ordzhonikidze was shot in the abdomen and leg and underwent several hours of surgery, police said.

8.   As part of his release, Lee is undergoing several hours of FBI interrogation.

9.   He underwent several hours of surgery at San Jose Medical Center, a team spokesman said.