Trends and characteristics of young non-small cell lung cancer patients in the United States

Thomas, Anish and Chen, Yuanbin and Yu, Tinghui and Jakopović, Marko and Giaccone, Giuseppe (2015) Trends and characteristics of young non-small cell lung cancer patients in the United States. Frontiers in Oncology, 5. p. 113. ISSN 2234-943X

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Official URL: https://doi.org/10.3389/fonc.2015.00113

Abstract

BACKGROUND: Although the median age at diagnosis of non-small cell lung cancer (NSCLC) is 70 years, a subset of patients with NSCLC present at a younger age (<40 years). Little is known about the time-trends in incidence of NSCLC in the young, their characteristics and outcomes. ----- METHODS: The surveillance, epidemiology, and end results database was used to extract NSCLC cases from 1978 to 2010. Yearly incidence rates in various age groups, race, site of disease, histology, treatment patterns, and outcomes were assessed. We modeled Kaplan-Meyer survival curves stratified by age of presentation. ----- RESULTS: Young patients represented 0.6% of incident NSCLC from 1978 to 2010. The incidence of young NSCLC declined significantly during this time-period. Young NSCLCs had a higher proportion of women (51%), Asians or Pacific Islanders (14%), adenocarcinoma histology (59%) and were more likely to present with distant metastases (68%). The young had better all cause and lung cancer-specific survival than the older patients (median survival for localized, regional, and distant disease: not reached, 28, 9 vs. 46, 17, 5 months; p < 0.001 for all groups). Male sex, non-adenocarcinoma histology, and main bronchial primary were independent negative prognostic factors among the young. In contrast to the overall population, black race was a poor prognostic factor among the young. ----- CONCLUSION: The incidence of NSCLC in the young decreased from 1978 to 2010. The clinical characteristics of NSCLC in the young, including demographic distribution, treatment, and outcomes are different from those observed in the older patients.

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Copyright: © 2015 Thomas, Chen, Yu, Jakopovic and Giaccone. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

Departments:

Katedra za internu medicinu

Depositing User:

Marijan Šember

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Published

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