Tuberc Respir Dis > Volume 43(3); 1996 > Article
Tuberculosis and Respiratory Diseases 1996;43(3):331-338.
DOI: https://doi.org/10.4046/trd.1996.43.3.331    Published online June 1, 1996.
Prognosis of Patients with Non-Small Cell Lung Cancer after Surgery.
Min Jong Kang, Gye Young Park, Chul Gyu Yoo, Hee Soon Chung, Young Whan Kim, Sung Koo Han, Young Soo Shim
Department of Internal Medicine and Tuberculosis Research Institute, Seoul National University College of Medicine, Seoul, Korea.
Abstract
BACKGROUND
Lung cancer continues to be the leading cause of cancer death in the United States and it's incidence has been rapidly increasing in Korea, too. The overall cure rate for non-small cell lung cancer(NSCLC) is approximately 10%, and the cure is generally achieved by surgery. Unfortunately, however, less than 15% of all patients and less than 25% of those who present with localized disease are candidates for curative surgical resection. So preoperative staging evaluation followed by curative resection has a major role in determining the long term prognosis of NSCLC patients. Therefore, we have conducted this study to compare pre-operative and post-operative staging and the long-term relapse-free survival rates in NSCLC patients according to its stage. METHODS: We analyzed the medical records of 217 NSCLC patients who were operated on for curative resection in Seoul National University Hospital, retrospectively. Among them, 170 patients who were completely resected were selected to determine the long term relapse-free survival rates. RESULTS: Among 217 NSCLC patients, men were 157 and women were 30. The median age was 58 and the difference between men and women was not found. The discrepancy rate between preoperative and postoperative staging was 40.1%. Its major cause was due to the difference of nodal staging. The 3-year relapse-free survival rates were 73%, 53% and 48% in stage I, II and IIIa, respectively. There was no difference of relapse-free duration in recurred patients according to the stage or histologic types. CONCLUSION: The postoperative pathologic staging determines the long term prognosis of patients with NSCLC after surgery, but current preoperative clinical staging can not predict the postoperative pathologic staging correctly. So the improved modality of staging system is required to predict the pathologic staging more correctly.
Key Words: prognosis, non-small cell lung cancer, preoperative stage, postoperative stage, relapse-free survival


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