Visceral pleural invasion is not predictive of survival in patients with lung cancer and smaller tumor size.
Visceral pleural invasion is not predictive of survival in patients with lung cancer and smaller tumor size.
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DOI:
10.1016/j.athoracsur.2013.03.085
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发表时间:
2013-06
影响因子:
4.6
通讯作者:
Mehran, Reza J.
中科院分区:
文献类型:
--
作者:
David, Elizabeth;Thall, Peter F.;Kalhor, Neda;Hofstetter, Wayne L.;Rice, David C.;Roth, Jack A.;Swisher, Stephen G.;Walsh, Garrett L.;Vaporciyan, Ara A.;Wei, Caimea;Mehran, Reza J.
Visceral pleural invasion (VPI) is used as an indicator of adverse prognosis in non-small cell lung carcinoma (NSCLC). The purpose of this retrospective study was to evaluate the impact of VPI on disease-free survival (DFS) and overall survival (OS) in patients with node-negative NSCLC. Between 1998 and 2009, 1166 patients with pathological N0M0 NSCLC underwent surgical resection by lobectomy. 214 patients with VPI were compared to 952 without. Median follow-up was 59 months. In multivariate analysis, VPI, larger tumor size, older age, female gender, and poor performance status were significantly associated with decreased OS. In contrast, larger tumor size, female gender, and poor performance, but notably not VPI, were associated with decreased DFS. After examining interactive effects of VPI and T subgroups, we found that VPI did not significantly affect either OS or DFS in the subgroups of patients with smaller tumor sizes T1a, T1b, or T2a. In contrast, a deleterious effect of VPI on DFS was seen for tumors > 5cm, T2b and T3, with the VPI-T3 interaction effect on DFS being statistically significant but not for OS. The effect of VPI on survival in NSCLC varies greatly with tumor size, with VPI not strongly associated with OS or DFS in tumors less than 5cm, but showing large negative effects on DFS for T2b and T3 tumors. Using VPI to upstage T1 tumors to a higher T category is not warranted, since it would misrepresent these VPI-T subgroup effects.
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