Although often viewed as benign injuries, clavicular fractures can lead to complications, particularly nonunions. The nonunion rate has been reported to be between 0.1% and 15%. Contributing ...

Rowe CR: An atlas of anatomy and treatment of midclavicular fractures. Clin Orthop Relat Res 1968; 58: 29–42. MEDLINE 3. Stanley D, Trowbridge EA, Norris SH: The mechanism of clavicular fracture.

Therefore, fracture, loss, or shortening of the clavicle ... the continuity and normal length of the clavicle when treating a clavicular nonunion.