His condition is critical, and he will require additional operations. The bullet entered Scalise's left hip and tore through his pelvis, breaking bones, injuring organs and causing severe bleeding.
Scalise was shot Wednesday morning as a gunman sprayed bullets into a GOP congressional baseball practice.
Shannon Davis also said that it would be "terrifying" to think about what would have happened if Scalise's security detail had not been there and hailed the Capitol Police officers as "heroes".
Although Scalise was able to talk while lying injured on the ball field, he had gone into shock by the time he was transported by helicopter to the hospital and arrived "in critical condition with an imminent risk of death", Sava said.
Democrats defeated their Republican counterparts in the annual Congressional Baseball Game, but the biggest applause came for one who didn't play. Scalise, the third most powerful Republican in the House, was shot through the hip.
Sen. Jeff Flake of Arizona, who was at Wednesday's practice and gave medical help after the shooting, said it would have "been awful" if the game had been canceled, and said Scalise would want it to go on.
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Sue Hodgkinson told reporters outside her IL home Thursday that she was busy with her job and didn't know a lot about what her husband, 66-year-old James Hodgkinson, did between January and March. Duncan said he told him it was Republicans. Some people carried with them Scalise signs to support the injured congressman.
Hodgkinson also contacted the office of Rep. Mike Bost, R-Ill., at least 10 times over the past year, a Bost spokesman has said, characterizing the emails and phone calls as negative but not threatening.
As the House returned to business, lawmakers sought some semblance of normalcy even as they offered prayers for the wounded and echoed the president in pledges of unity.
Investigators said in a statement that the Federal Bureau of Investigation has searched the van, which was parked not far from the Alexandria, Virginia, baseball field where Wednesday's shooting took place.
The FBI said it was investigating the shooter's "activities and social media impressions" in the months leading up to the attack.
The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) traced the two weapons recovered from the scene - a 9 mm handgun and a 7.62 caliber rifle.
The president thanked "members of Congress, their staffs, and baseball fans across the country" for supporting the game.
The gunman, identified by officials as James Hodgkinson, died after the shootout.
This is according to a person familiar with the case who was not authorized to speak publicly and spoke to The Associated Press Saturday on condition of anonymity.