Survival after second primary lung cancer: a population-based study of 187 Hodgkin lymphoma patients |
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Authors: | Milano Michael T Li Huilin Constine Louis S Travis Lois B |
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Affiliation: | Department of Radiation Oncology and Rubin Center for Cancer Survivorship, University of Rochester School of Medicine, Rochester, New York 14642, USA. michael_milano@urmc.rochester.edu |
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Abstract: | BACKGROUND: Lung cancer accounts for the largest absolute risk of second malignancies among Hodgkin lymphoma (HL) survivors. However, no population‐based studies have compared overall survival (OS) between HL survivors who developed nonsmall cell lung cancer (HL‐NSCLC) versus patients with first primary NSCLC (NSCLC‐1). METHODS: The authors compared the OS of 178,431 patients who had NSCLC‐1 and 187 patients who had HL‐NSCLC (among 22,648 HL survivors), accounting for sex, race, sociodemographic status, calendar year, and age at NSCLC diagnosis, and NSCLC histology and stage. All patients were reported to the population‐based Surveillance, Epidemiology, and End Results Program. Hazard ratios (HRs) were derived from a Cox proportional hazards model. RESULTS: Although the NSCLC stage distribution was similar in both groups (20% localized, 30% regional, and 50% distant), HL survivors experienced significantly inferior stage‐specific OS. For patients with localized, regional, and distant stage NSCLC, the HRs (95% confidence interval [CI]) for death among HL survivors were 1.60 (95% CI, 1.08‐2.37; P < .0001), 1.67 (95% CI, 1.26‐2.22; P = .0004), and 1.31 (95% CI, 1.06‐1.61; P = .013), respectively. Among HL‐NSCLC patients, significant associations were observed between more advanced NSCLC stage and the following variables: younger age at HL diagnosis (P = .003), younger age at NSCLC diagnosis (P = .048), and longer latency between HL and NSCLC diagnoses (P = .015). CONCLUSIONS: Compared with patients who had de novo NSCLC, HL survivors experienced a significant 30% to 60% decrease in OS after an NSCLC diagnosis. Further research is needed to not only elucidate the clinical‐biologic underpinnings of NSCLC after HL, including the influence of previous HL treatment, but also to define the role of lung cancer screening in selected patients. Cancer 2011;. © 2011 American Cancer Society. |
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Keywords: | nonsmall cell lung cancer Hodgkin lymphoma population‐based cancer survivorship |
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