Case of salvage en bloc vertebrectomy for locally progressive T12 breast cancer metastasis after failed radiotherapy and systemic therapy - Isamu Miura; Takayoshi Shimizu; Takahiro Hori; Hanako Morisawa; Suguru Nakamura; Kaname Ito; Naohisa Miura; Kotaro Kohara (Surgical Neurology International, 2026)