Will The Bone Grow Post A Fracture?

hello sir,
Sir me qasim.Sir i had a fracture 12month's ago which was gun shot wound in femur shaft and doctor's have removed 3'in bone piece they implant rod in it and in the center of shaft 25percent bone piece which is healing doc's says that bone will grow but till now i don't seen any bone growth in bone loss area please tell me is bone growth is possible i m 19 but 6feet hight please tell i shall be greatfull to u>thankz