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- Title
Vascular endothelial growth factor expression in pN2 non-small cell lung cancer: Lack of prognostic value.
- Authors
Tomita, Masaki; Matsuzaki, Yasunori; Shimizu, Tetsuya; Hara, Masaki; Ayabe, Takanori; Onitsuka, Toshio
- Abstract
Vascular endothelial growth factor expression in pN2 non-small cell lung cancer: Lack of prognostic valueTOMITA M, MATSUZAKI Y, SHIMIZU T, HARA M, AYABE T, ONITSUKA T.Respirology2005;10: 31–35Although several previous studies have investigated the prognostic significance of vascular endothelial growth factor (VEGF) expression in non-small cell lung (NSCL) cancer, no previous study has concentrated on NSCL cancer with pathologically abnormal mediastinal nodes (pN2).A total of 60 patients with pN2 NSCL cancer who had undergone a complete resection with a systematic mediastinal lymph node dissection were reviewed retrospectively. Immunohistochemical examination, using antibodies against VEGF, was conducted. The prognostic significance of VEGF expression and clinicopathological factors were analysed.The overall 5-year survival rate was 21.7%. With respect to clinicopathological factors, single N2 involvement and skip metastasis were significantly associated with patients’ survival. Expression of VEGF was found in 35/60 (58.3%) patients. VEGF expression was not related to the clinicopathological parameters examined. There was no relationship between survival rates and patients positive and negative for VEGF. Multivariate analysis showed that single N2 disease was an independent prognostic factor, while VEGF expression was not.Although VEGF expression might be important for tumour development and maintenance, no prognostic significance of VEGF expression in pN2 NSCL cancer was found.
- Subjects
VASCULAR endothelial growth factors; LUNG cancer; PROGNOSIS; SURGICAL excision; IMMUNOHISTOCHEMISTRY; IMMUNOGLOBULINS
- Publication
Respirology, 2005, Vol 10, Issue 1, p31
- ISSN
1323-7799
- Publication type
Article
- DOI
10.1111/j.1440-1843.2005.00655.x