老师好！我的论文是评价食管癌手术入路（左开胸 vs 右开胸）哪种效果好。有位审稿人提到“ In order to clarify the prognostic relevance of surgical approaches, the authors had better demonstrate disease-specific survival rate as well.”我上网查了下“肿瘤特异性生存率”，还是没整明白应该如何计算。还请老师帮助！感谢🙏