Background: The incidence and mortality of esophageal cancer are high. Therefore, we aimed to investigate how the number of dissected lymph nodes during esophagectomy for esophageal squamous cell carcinoma impacts overall survival, particularly that of patients with positive lymph nodes. Materials and methods: Data from 2010 to 2017 were obtained from the Sichuan Cancer Hospital and Institute Esophageal Cancer Case Management Database. Participants were divided into two groups: patients with negative lymph nodes (N0) and patients with positive lymph nodes (N+). The median number of resected lymph nodes during surgery was 24; therefore, patients with 15 to 23 and those with 24 or more resected lymph nodes were assigned to subgroups A and B, respectively. Results: After a median follow-up of 60.33 months, 1,624 patients who underwent esophagectomy were evaluated; 60.53% and 39.47% had a pathological diagnosis of N+ or N0, respectively. The median overall survival was 33.9 months for the N+ group; however, the N0 group did not achieve the median overall survival. The mean overall survival was 84.9 months. In the N+ group, the median overall survival times of subgroups A and B were 31.2 and 37.1 months, respectively. The overall survival rates at 1, 3, and 5 years were 82%, 43%, and 34%, respectively, for subgroup A of the N+ group; they were 86%, 51%, and 38%, respectively, for subgroup B of the N+ group. Subgroups A and B of the N0 group exhibited no statistically significant differences. Conclusion: Increasing the number of lymph nodes harvested during surgery to 24 or more could improve the overall survival of patients with positive lymph nodes but not that of patients with negative lymph nodes. Export
Background Oesophageal squamous cell carcinoma (OSCC) poses a considerable health burden, particularly in regions such as East Asia. This study aims to investigate the long-term outcomes of OSCC patients who are smokers and drinkers. Materials and methods In this retrospective analysis, data from Sichuan Cancer Hospital and Institute Esophageal Cancer Case Management Database between January 2010 and December 2017 were examined. Patients were categorised into different groups based on their smoking and alcohol consumption history: None, Smoker, Non-Smoker, Smoke-Only, Drinker, Non-Drinker, Drinker-Only, and Both. Survival outcomes were compared between the groups using Kaplan-Meier analysis and propensity score matching (PSM). The primary outcome was overall survival (OS), measured from surgery to death or last follow-up in April 2022. Results The OS median was 45.4 months for all patients after oesophagectomy. Smokers had a significantly lower median OS of 36.6 months compared with Non-Smokers with 66.2 months (p<0.001). Similarly, Drinkers had a lower median OS of 34.4 months compared with Non-Drinkers with 52.0 months (p<0.001). PSM analysis confirmed the significant differences in OS between Smokers and Non-Smokers (p=0.002) and between Drinkers and Non-Drinkers (p=0.002). Subgroup analyses showed no significant differences in OS between Group Another and Group Both, Group Smoker-Only and Group Drinker-Only, and Group Drinker-Only and Group Both. (figure 4) Conclusion Smoking and drinking were associated with significantly reduced OS in patients. However, no significant differences were found between the subgroups of patients who only smoked, only drank, or engaged in both habits.
Background: Esophageal cancer (EC) is a major global health burden, with a particularly high incidence in East Asia. The authors aimed to investigate the effect of metastasis in cervical paraesophageal lymph nodes (station 101) and supraclavicular lymph nodes (station 104) on the survival of patients who underwent esophagectomy for esophageal squamous cell carcinoma (ESCC). Materials and Methods: Data were obtained from the database of the authors’ hospital. The authors retrospectively analyzed the patients with EC who underwent esophagectomy from January 2010 to December 2017. These patients were allocated into two groups based on the presence of lymph node metastasis (LNM) in the cervical paraesophageal or supraclavicular regions. Clinical outcomes and survival data were compared using the TNM staging system of the 8th edition of the American Joint Committee on Cancer (AJCC). Results: After a median follow-up of 62.1 months, 122 patients with LNM in the supraclavicular region were included in the study. Among these patients, 53 showed cervical paraesophageal LNM and an overall survival (OS) of 19.9 months [95% confidence interval (CI): 16.3–23.5]. In contrast, 69 patients showed supraclavicular LNM with an OS of 34.9 months (95% CI 25.7–44.1). The OS rates at 1, 3, and 5 years were 77%, 29%, and 21%, respectively, for patients with cervical paraesophageal LNM. Moreover, patients with supraclavicular LNM demonstrated OS rates of 88%, 48%, and 34%, respectively [Hazard ratio (HR): 0.634, 95% CI: 0.402–1.000, P=0.042]. Conclusions: Patients with ESCC with cervical paraesophageal LNM had significantly worse OS than those with supraclavicular LNM. This study underscores the importance of accurately identifying and managing ESCC with cervical paraesophageal LNM, as it may require more tailored and aggressive treatment strategies to prolong patient survival.