作者:中华医学网发布时间:2026-04-02 16:56浏览:
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Anatomic (A): Tumor contact with SMA/CA < 180° (no stenosis); contact with CHA (not proper hepatic/CA); SMV/PV contact ≥180° with narrowing/occlusion (below duodenum).**Biologic (B):** Suspicious distant metastasis; nodal metastasis (biopsy/PET); CA19-9 > 500 IU/mL.Conditional (C): ECOG ≥2, severe comorbidities, poor surgical tolerance.Recommendation: Neoadjuvant therapy preferred for BR-PDAC to improve R0 resection.