Neoadjuvant chemotherapy is increasingly utilized in patients with borderline or locally advanced pancreatic cancer (LAPC). However, the pathologic evaluation of tumor regression is not routinely performed or well established. We aimed to evaluate the prognostic value of three tumor regression grading systems frequently used in LAPC and to determine the correlation between pathologic and clinical response.

中文翻译：

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四级病理肿瘤消退分级系统预测新辅助化疗后局部晚期胰腺癌手术切除患者的临床结果。

新辅助化疗越来越多地用于临界或局部晚期胰腺癌 (LAPC) 患者。然而，肿瘤消退的病理学评估并未常规进行或没有很好地建立。我们旨在评估 LAPC 中常用的三种肿瘤消退分级系统的预后价值，并确定病理和临床反应之间的相关性。