ject to the commission's consideration and weighing."' Farmington Country Club v. Marshall, 47 Va. App. 15, 26, 622 S.E.2d 233, 239 (2005), quoting Hungerford Mech. Corp. v. Hobson, 11 Va. App. 675, 677, 401 S.E.2d 213, 215 (1991). p12] "The probative weight to be accorded medical evidence is for the Commissio