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- Title
Influence of visceral pleural invasion on survival in completely resected non-small-cell lung cancer.
- Authors
Hiroyuki Adachi; Masahiro Tsuboi; Teppei Nishii; Taketsugu Yamamoto; Takuya Nagashima; Kohei Ando; Yoshihiro Ishikawa; Tekkan Woo; Katsuya Watanabe; Yutaka Kumakiri; Takamitsu Maehara; Takao Morohoshi; Haruhiko Nakayama; Munetaka Masuda
- Abstract
OBJECTIVES: Although the prognostic implications of visceral pleural invasion (VPI) are well established, it remains controversial whether the extent of VPI affects survival in patients with completely resected non-small-cell lung cancer (NSCLC). In addition, the impact of VPI according to nodal status is unclear. We evaluated the influence of the extent of pleural invasion on survival by analysing a multicentre retrospective database of patients who had undergone surgery for NSCLC. METHODS: We retrospectively reviewed the clinicopathological characteristics and outcomes of 639 patients with NSCLC who underwent anatomic complete resection from 2005 to 2007 at nine hospitals affiliated with the Yokohama Consortium of Thoracic Surgeons. RESULTS: The median follow-up was 65.0 months. The extent of pleural invasion was PL0 in 462 patients, PL1 in 135 and PL2 in 42. The 5-year overall survival rate was significantly higher in patients with PL0 tumours (75.9%) than in those with PL1 (63.6%) or PL2 tumours (54.1%). On subgroup analysis according to nodal status, PL0 was associated with a higher survival rate than that of PL1 or PL2 tumours in patients with N0 or N1 metastasis, but not in those with N2 metastasis. There was no difference between PL1 and PL2 in any subgroup. CONCLUSIONS: Our results suggest that the presence of VPI, rather than the extent, has an impact on postoperative survival in patients with NSCLC who have N0 or N1 metastasis. Because very few previous studies have addressed the effects of VPI in patients with N1 disease, further re-evaluation of the prognostic impact of VPI is necessary in this subgroup of patients.
- Subjects
NON-small-cell lung carcinoma; LUNG cancer patients; LUNG surgery complications; MEDICAL physics; POSTOPERATIVE care; PATIENT compliance; DIAGNOSIS
- Publication
European Journal of Cardio-Thoracic Surgery, 2015, Vol 48, Issue 5, p691
- ISSN
1010-7940
- Publication type
Article
- DOI
10.1093/ejcts/ezu515