先完成病历预审，确认医院可收治，再办理 S2 签证公函；不是先买机票再补材料。
护照、病历摘要、影像/病理、诊断证明、预计治疗周期与费用说明；具体清单以使领馆与医院要求为准。
提交病历 → 48 小时书面预审 → 符合收治指征后协调医院出具加盖公章的《就医意向公函》 → 向中国驻外使领馆申请 S2。
签证结果由使领馆决定；页面不承诺出签。
Submit recent imaging, pathology and a short treatment summary. A coordinator will confirm what is missing before any payment.
Request faculty pre-review →Independent international coordination. Hospital acceptance, surgery and visa decisions remain with the hospital and consulate.