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Chinese Journal of Colorectal Diseases(Electronic Edition) ›› 2021, Vol. 10 ›› Issue (02): 158-163. doi: 10.3877/cma.j.issn.2095-3224.2021.02.008

Special Issue:

• Original Article • Previous Articles     Next Articles

Value of tumor stroma ratio in evaluating the prognosis of patients with stage II and III colorectal cancer

Tengfei Li1, Yan Yang1, Chen Huang1,()   

  1. 1. Graduate School of Bengbu Medical College, Bengbu 233000, China; Department of Gastrointestinal Surgery, Shanghai General Hospital, Shanghai Jiao Tong University, Shanghai 201600, China
  • Received:2020-11-16 Online:2021-04-25 Published:2021-05-07
  • Contact: Chen Huang

Abstract:

Objective

To evaluate the prognostic value of tumor stroma ratio (TSR) in stage II and III colorectal cancer patients.

Method

Clinical data of 820 stage II and III colorectal cancer patients who had received complete curative resection (R0 resection) were collected. The clinicopathological characteristics and survival status of patients with low and high TSR were compared, and the risk factors affecting the overall survival rate were analyzed.

Results

There were 307 patients with stroma high (TSR>50%) and 513 patients with stroma low (TSR≤50%). The 5-year overall survival rate of CRC patients with high stromal proportion was 76.2% (243/307), while that of CRC patients with low stromal proportion was 83.2%(427/513), the difference was statistically significant (χ2=7.991, P=0.0047).The results of multivariate analysis showed that age, tumor location, vascular infiltration and TSR were the risk factors affecting the overall survival rate of patients with stage II and III colorectal cancer (P<0.05).

Conclusion

TSR is an independent factor for the long-term prognosis of patients with stage II and III colorectal cancer after radical resection, which can provide an important basis for the formulation of postoperative adjuvant therapy.

Key words: Colorectal neoplasms, Tumor stroma ratio, Over survival, Prognosis

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