Journal
ANTICANCER RESEARCH
Volume 42, Issue 2, Pages 1137-1142Publisher
INT INST ANTICANCER RESEARCH
DOI: 10.21873/anticanres.15577
Keywords
Lung adenocarcinoma; TNM staging; surgical resection; recurrence
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This study evaluated the optimal surgical procedures for clinical stage 0 or IA adenocarcinoma in terms of recurrence risk. The results showed that patients who underwent sublobar resection were more likely to experience recurrence, suggesting that lobectomy should be considered for cT1b and cT1c cases to prevent recurrence.
Background/Aim: Sublobar resection is widely performed for early-stage non-small cell lung cancer in the clinical setting. This study evaluated the optimal surgical procedures of clinical stage 0 or IA adenocarcinoma from the perspective of recurrence. Patients and Methods: A total of 508 lung adenocarcinoma patients diagnosed as c-stage 0 or IA were retrospectively investigated. Results: The types of surgical procedures were lobectomy (n=328), segmentectomy (n=73), and wedge resection (n=107). Clinical T descriptors were cTis in 74, cT1mi in 68, cT1a in 94, cT1b in 181 and cT1c in 91 patients. Recurrence was observed in 46 cases (9%), including 3 (3.1%) with cT1a, 23 (12.7%) with cT1b and 20 (22.0%) with cT1c. The patients who received sublobar resection developed recurrence more often than the patients who received lobectomy among cT1b cases (10.1% vs. 21.4%) and cT1c cases (18.0% vs. 46.2%) (p=0.053 and p=0.023). Conclusion: The cT1b and cT1c cases should be considered for lobectomy to prevent recurrence.
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