Embodiments of the present disclosure includes a system for a corpectomy cage for use during a corpectomy procedure. The system may include a central core and endcaps attached to the central core. The endcap may include a first surface to be attached to the first end or the second end of the central core, and a second surface to be in contact with a vertebra above or below the patients intervertebral cavity space. Additionally, a cavity may be formed within the endcap, such that the cavity has a cavity floor proximate to the first surface and an opening at least partially surrounded by the second surface to contain bone material to be fused with the vertebra.