{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,21]],"date-time":"2026-03-21T19:03:50Z","timestamp":1774119830932,"version":"3.50.1"},"reference-count":48,"publisher":"Oxford University Press (OUP)","issue":"2","license":[{"start":{"date-parts":[[2012,5,1]],"date-time":"2012-05-01T00:00:00Z","timestamp":1335830400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2012,5,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Lung cancer is the leading cause of cancer death in the United States, and the majority of diagnoses are made in former smokers. Although avoidance of tobacco abuse and smoking cessation clearly will have the greatest impact on lung cancer development, effective chemoprevention could prove to be more effective than treatment of established, advanced-stage disease. Chemoprevention is the use of dietary or pharmaceutical agents to reverse or block the carcinogenic process and has been successfully applied to common malignancies other than lung (including recent reports on the prevention of breast cancer in high-risk individuals). Despite previous studies in lung cancer chemoprevention failing to identify effective agents, our ability to define the highest-risk populations and the understanding of lung tumor and premalignant biology continue to make advances. Squamous cell carcinogenesis in the bronchial epithelium starts with normal epithelium and progresses through hyperplasia, metaplasia, dysplasia, and carcinoma in situ to invasive cancer. Precursor lesions also have been identified for adenocarcinoma, and these premalignant lesions are targeted by chemopreventive agents in current and future trials. Chemopreventive agents can currently only be recommended as part of well-designed clinical trials, and multiple trials have recently been completed or are enrolling subjects.<\/jats:p>","DOI":"10.1513\/pats.201107-038ms","type":"journal-article","created":{"date-parts":[[2012,5,1]],"date-time":"2012-05-01T01:57:58Z","timestamp":1335837478000},"page":"52-56","source":"Crossref","is-referenced-by-count":10,"title":["Lung Cancer Chemoprevention"],"prefix":"10.1093","volume":"9","author":[{"given":"Robert L.","family":"Keith","sequence":"first","affiliation":[{"name":"Division of Pulmonary Sciences and Critical Care Medicine, Department of Medicine, Veterans Affairs Eastern Colorado Healthcare System, University of Colorado at Denver\u2013School of Medicine, Denver, Colorado"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2012,5,1]]},"reference":[{"key":"2026020502142201300_bib1","first-page":"277","article-title":"Cancer 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