Abstract
Higher extent of lymph node dissection (LND) is beneficial in primarily resected esophageal cancer patients by providing accurate staging and better tumor control. Achieving pathological complete response (pCR) after chemoradiotherapy (CRT) also represents better outcome. We studied the controversial question whether higher LND could further improve survival after pCR. Between 1996 and 2007, Esophageal squamous cell carcinoma (ESCC) patients with pCR after CRT were included. Based on the median number of dissected lymph node, patients were divided into two groups (Group 1: Lower LND; Group 2: Higher LND). We compared the demographic features, perioperative outcomes, recurrence, and survival between groups. The cohort comprised 101 patients (100 males and one female) with a mean age of 58 years. There were 56 and 45 patients in Group 1 and 2, respectively. Clinical features and perioperative outcome were similar between groups. During a mean follow-up of 78.8 months, 32 (33.7%) patients died of the disease and 35.8% of patients developed recurrence. There was no difference in locoregional (11.3% vs. 9.5%, P=0.78) or distant recurrence (22.6% vs. 33.3%, P=0.18) between the two groups. Patients with lowest LND also had similar out...Continue Reading
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