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Poster Display session 2

4317 - Prognostic factors analysis of 343 patients with adenocarcinoma of esophagogastric junction

Date

29 Sep 2019

Session

Poster Display session 2

Topics

Tumour Site

Oesophageal Cancer;  Gastric Cancer

Presenters

Yixun Lu

Citation

Annals of Oncology (2019) 30 (suppl_5): v253-v324. 10.1093/annonc/mdz247

Authors

Y. Lu, X. Wang, T. Xie, S. Li, Z. Qiu, X. Guo, D. Wu

Author affiliations

  • General Surgery Department, Chinese PLA General Hospital (301 Military Hospital), 100853 - Beijing/CN

Resources

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Abstract 4317

Background

Adenocarcinoma of esophagogastric junction (AEG) is a special type of malignant tumor which occurs in the upper gastrointestinal tract. However, AEG is different from esophageal or gastric cancer. Its biological behavior is complicated and prognosis is poor. Even after radical resection, the overall 5-year survival rate is still very low. An in-depth analysis of the prognostic factors in patients with AEG may indicate a certain direction for clinical treatment and decision-making as well as for improving the prognosis of patients with AEG. Although some researchers have explored the factors influencing the prognosis of AEG, the independent prognostic factors are still unclear, which need to be further studied.

Methods

The clinical data of patients with AEG who underwent surgical treatment in PLA general hospital from January 2009 to January 2013 were collected retrospectively. According to the inclusion and exclusion criteria, a total of 343 patients with AEG were included in the study. Sex, age, basic disease, Siewert classification, tumor size (Diameter), differentiation, vascular cancer thrombus, nerve invasion, T-stage,N stage, pTNM, approach, minimally invasive surgery, resection scope, adjuvant chemotherapy, HER-2 and Ki-67 expression were analyzed comprehensively to study the independent or nonindependent prognostic factors in patients with AEG.

Results

The median follow-up time of the 343 patients with AEG was 50.2 months. The 5-year overall survival rate of the whole group (no IV stage) was 49.2%. Univariate analysis showed that age, basic disease, Siewert classification, tumor size (Diameter), differentiation, vascular cancer thrombus, nerve invasion, T-stage,N stage, pTNM, adjuvant chemotherapy, level of Ki-67 expression was correlated with prognosis (P < 0 05). Multivariate analysis showed that age, tumor size(Diameter), differentiation, pTNM and adjuvant chemotherapy were independent prognostic factors affecting the overall survival of the patients (P < 0 05).

Conclusions

The age, tumor size (Diameter), differentiation degree, pTNM and adjuvant chemotherapy were independent prognostic factors affecting the overall survival rate of patients with AEG (P < 0 05).

Clinical trial identification

Editorial acknowledgement

Legal entity responsible for the study

Wangxinxin.

Funding

Has not received any funding.

Disclosure

All authors have declared no conflicts of interest.

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