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Stephen R. Grant, Benjamin D. Smith, Lauren E. Colbert, Qunyh-Nhu Nguyen, James B. Yu, Steven H. Lin, and Aileen B. Chen

Background: There exists wide practice variability in palliative treatment schedules for bone metastases. In an effort to reduce variation and promote high-quality, cost-conscious care, the National Quality Forum (NQF) endorsed measure 1822 in 2012. This measure recommends the use of 30 Gy in 10 fractions, 24 Gy in 6 fractions, 20 Gy in 5 fractions, or 8 Gy in a single fraction for palliative radiation for bone metastases. We report on longitudinal compliance with this measure. Methods: Using the National Cancer Database, patients with metastatic thoracic non–small cell lung cancer diagnosed between 2004 and 2016 who received radiation therapy for bony sites of metastatic disease were identified. Treatment courses fitting 1 of the 4 recommended schedules under NQF 1822 were coded as compliant. Rates of compliance by patient, tumor, and treatment characteristics were analyzed. Results: A total of 42,685 patients met the criteria for inclusion. Among all patients, 60.2% of treatment courses were compliant according to NQF 1822. Compliance increased over time and was highest for treatments to the extremity (69.8%), lowest for treatments to the skull or head (48.8%), and higher for academic practice (67.1%) compared with community (56.0%) or integrated network facilities (61.2%). On multivariable analysis, predictors of NQF 1822 compliance included year of diagnosis after 2011, treatment to an extremity, or treatment at an academic facility. Of noncompliant treatment courses, extended fractionation (≥11 fractions) occurred in 62.6% and was more common before 2012, in community practice, and for treatments of the skull or head. Conclusions: Among patients treated for metastatic non–small cell lung cancer, compliance with NQF 1822 increased over time. Although extended fractionation constituted a majority of noncompliant treatment courses, a substantial proportion also involved shorter courses.

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David S. Ettinger, Gregory J. Riely, Wallace Akerley, Hossein Borghaei, Andrew C. Chang, Richard T. Cheney, Lucian R. Chirieac, Thomas A. D’Amico, Todd L. Demmy, Ramaswamy Govindan, Frederic W. Grannis Jr, Stefan C. Grant, Leora Horn, Thierry M. Jahan, Ritsuko Komaki, Feng-Ming (Spring) Kong, Mark G. Kris, Lee M. Krug, Rudy P. Lackner, Inga T. Lennes, Billy W. Loo Jr, Renato Martins, Gregory A. Otterson, Jyoti D. Patel, Mary C. Pinder-Schenck, Katherine M. Pisters, Karen Reckamp, Eric Rohren, Theresa A. Shapiro, Scott J. Swanson, Kurt Tauer, Douglas E. Wood, Stephen C. Yang, Kristina Gregory, and Miranda Hughes

Masses in the anterior mediastinum can be neoplasms (eg, thymomas, thymic carcinomas, or lung metastases) or non-neoplastic conditions (eg, intrathoracic goiter). Thymomas are the most common primary tumor in the anterior mediastinum, although they are rare. Thymic carcinomas are very rare. Thymomas and thymic carcinomas originate in the thymus. Although thymomas can spread locally, they are much less invasive than thymic carcinomas. Patients with thymomas have 5-year survival rates of approximately 78%. However, 5-year survival rates for thymic carcinomas are only approximately 40%. These guidelines outline the evaluation, treatment, and management of these mediastinal tumors.

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David S. Ettinger, Wallace Akerley, Hossein Borghaei, Andrew C. Chang, Richard T. Cheney, Lucian R. Chirieac, Thomas A. D'Amico, Todd L. Demmy, Ramaswamy Govindan, Frederic W. Grannis Jr, Stefan C. Grant, Leora Horn, Thierry M. Jahan, Ritsuko Komaki, Feng-Ming (Spring) Kong, Mark G. Kris, Lee M. Krug, Rudy P. Lackner, Inga T. Lennes, Billy W. Loo Jr, Renato Martins, Gregory A. Otterson, Jyoti D. Patel, Mary C. Pinder-Schenck, Katherine M. Pisters, Karen Reckamp, Gregory J. Riely, Eric Rohren, Theresa A. Shapiro, Scott J. Swanson, Kurt Tauer, Douglas E. Wood, Stephen C. Yang, Kristina Gregory, and Miranda Hughes

These NCCN Guidelines Insights focus on the diagnostic evaluation of suspected lung cancer. This topic was the subject of a major update in the 2013 NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines) for Non-Small Cell Lung Cancer. The NCCN Guidelines Insights focus on the major updates in the NCCN Guidelines and discuss the new updates in greater detail.