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Rosenthal SA , Curran WJ , Herbert SH , Hughes EN , Sandler HM , Stafford PM , McKenna WG
Clinical Stage-Ii Non-Small-Cell Lung-Cancer Treated with Radiation-Therapy Alone - the Significance of Clinically Staged Ipsilateral Hilar Adenopathy (N1 Disease)
Cancer. 1992 Nov 15;70(10) :2410-2417
AbstractBackground. The prognosis of patients with clinically staged hilar nodal involvement (Stage N1) or clinical Stage II non- small cell lung cancer (NSCLC, Stage T1-2N1M0) treated with radiation therapy (RT) alone is not well established. Methods. Records of 758 patients with clinical Stage I-III NSCLC treated with RT were reviewed. Sixty-two patients were identified with clinical Stage II NSCLC, and 126 patients had Stage N1 disease. Results. The median survival time (MST) of the 62 patients with clinical Stage II disease was 17.9 months, with 1-year, 2-year, 3-year, and 5-year overall actuarial survival rates of 70%, 33%, 20%, and 12%, respectively. The survival of patients with clinical Stage II disease was significantly better than that of 389 patients with clinical Stage IIIA disease (MST, 11.3 months; P < 0.008) and 267 patients with clinical Stage IIIB disease (MST, 9.8 months; P = 0.0003), but it was similar to that of 40 patients with clinical Stage I lesions (MST, 15.0 months). Patients with performance statuses of 0-1 lived longer than those with a status of 2 or more (MST, 22.8 versus 6.1 months; P < 0.0001). The median survival for patients with N0, N1, N2, and N3 disease was 13.7,12.6,10.9, and 9.1 months, respectively. Patients with Stage NO-1 disease (MST, 13.2 months) had significantly improved MST compared with those with Stage N2-3 disease (MST, 10.3 months). Conclusions. The survival of patients with clinical Stage II NSCLC treated with RT alone was significantly better than that of those with clinical Stage IIIA or IIIB disease. It was comparable to that of patients with clinical Stage I lesions. The clinical staging of nodal involvement limited to the ipsilateral hilum does not necessarily portend a worse prognosis than that of patients with clinical Stage N0 disease. The absence of clinically evident Stage N2-3 disease is of significant predictive value for patients with NSCLC treated with RT.
NotesEnglish Article JX894 CANCER