MKI67 and neoplasm: In the follow-up survey, we learned that the patient underwent intraspinal metastatic resection at another hospital on January 29, 2024, and the postoperative pathological diagnosis was considered to be a tumor metastasized from the PA; his immune markers were as follows: GFAP(partial+), Oligo-(2−), EMA(dot +), P53(in +), Syn(+), CgA(−), SOX-2(+) and SOX-2(−), ATRX IDH-1(+), H3 K27M(−), INI1 (without missing), and Ki-67 (MIB) (+5% to 10%).