Humerus fracture - what are the chances of healing without surgery?

Humerus fracture: Some variables include location of the fracture, degree of displacement (position of fragments relative to one another), host variables (illnesses that may affect healing, smoker), ? Additional injuries (leg injury that may require need for arm walk with crutches). While many fractures will heal without surgery, repair of frwcture may help with pain and more rapid return to function. Good luck!