Year 2019 / Volume 111 / Number 7
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Year 2019 / Volume 111 / Number 7

Original

The predictive factors of gastric cancer recurrence after the completion of adjuvant chemotherapy in advanced gastric cancer

537-542

Yeon-Ji Kim, Woo Chul Chung, Gun Jung Youn, Kyong-Hwa Jun, Hyung-Min Chin,

Objective: the administration of adjuvant chemotherapy after a curative resection is accepted as the standard treatment to improve the prognosis of advanced gastric cancer. Nevertheless, the prognosis of recurrence-related gastric cancer is still not clinically satisfactory. We aimed to assess the therapeutic yield of a radical gastrectomy with D2 lymphadenectomy (R0 resection) and the completion of adjuvant chemotherapy. The predictive risk factors for recurrence were also assessed. Methods: a retrospective cohort study was designed with patients diagnosed with advanced gastric cancer. Patients with an R0 resection who had completed adjuvant chemotherapy were included in the study. Results: data from 130 patients who had undergone an R0 resection and had completed six cycles of adjuvant chemotherapy were analyzed. The chemotherapy compliance rate was 63.11% and the overall recurrence rate was 36.9%. The lymph node ratio (LNR), which was defined as the number of metastatic lymph nodes divided by the retrieved lymph nodes, was a significant risk factor in the lymph node-positive group (p < 0.01). This parameter had a relatively high sensitivity to predict recurrence compared with the 7th and 8th edition of the AJCC staging system, with an area under the curve of 0.735 (95% confidence interval: 0.639-0.832). Baseline CA19-9 level was a risk factor in the lymph node-negative group (p = 0.01). Conclusions: LNR and baseline CA19-9 levels, as simple markers, had strong predictive values for the recurrence of advanced gastric cancer. With regard to recurrence, more potent adjuvant therapy should be considered in high-risk patients.

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Asociación Española de Ecografía Digestiva Sociedad Española de Endoscopia Digestiva Sociedad Española de Patología Digestiva
The Spanish Journal of Gastroenterology is the official organ of the Sociedad Española de Patología Digestiva, the Sociedad Española de Endoscopia Digestiva and the Asociación Española de Ecografía Digestiva
© 2019 The Spanish Journal of Gastroenterology