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Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,632
Online ISSN 1827-191X
Lucchi M., Viti A., Melfi F., Ambrogi M., Givigliano F., Dini P., Mussi A.
Division of Thoracic Surgery Cardiac and Thoracic Department University of Pisa, Pisa, Italy
Aim. T4 non-small cell lung cancer (NSCLC) is commonly considered a contraindication to surgery, indeed chemo-radiotherapy achieves a poor survival rate. We have reviewed our experience with T4 NSCLC patients who underwent surgery with the aim of debating the indications and results of surgical treatment in this highly selected group of patients.
Methods. We investigated a cohort of 60 patients, 49 men and 11 women, who underwent surgery for NSCLC from January 1998 to December 2002 and whose pathological staging was T4N0-2M0. The median age was 65 years (range 46-82). The tumors were classified T4 for the following reasons: intralobar satellite metastasis in 24 cases, direct mediastinum invasion in 18 cases, malignant pleural effusion in 7 cases, involvement of the superior vena cava in 4 cases, marginal invasion of the vertebral body in 3 cases, involvement of the carena in 3 cases and invasion of the left atrium in 1 case. Thirteen patients had undergone neo-adjuvant chemotherapy while 39 underwent adjuvant therapies.
Results. Thirty-two patients resulted with N0 disease, 5 with N1 and 23 with N2 disease. Forty patients relapsed (27 systemic and 13 local relapses). The mean survival was 20 months. Of the examined parameters only metastatic nodal involvement was significantly associated with a worse prognosis (P=0.007).
Conclusion. Surgery for T4 NSCLC may be effective in those patients without mediastinal (N2) lymph node involvement. The prognosis was neither affected by the subtype of T4 tumor nor by the use of adjuvant therapies and/or neoadjuvant chemotherapy but only by the N status. In the preoperative work-up, every possible effort should be made to achieve a careful evaluation of lymph-nodal status (primarily by mediastinoscopy and video operative staging).