{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,16]],"date-time":"2025-09-16T20:45:27Z","timestamp":1758055527869,"version":"3.44.0"},"reference-count":10,"publisher":"Elsevier BV","issue":"4","license":[{"start":{"date-parts":[[2022,4,1]],"date-time":"2022-04-01T00:00:00Z","timestamp":1648771200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2022,4,1]],"date-time":"2022-04-01T00:00:00Z","timestamp":1648771200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2021,10,21]],"date-time":"2021-10-21T00:00:00Z","timestamp":1634774400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","journal.chestnet.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Chest"],"published-print":{"date-parts":[[2022,4]]},"DOI":"10.1016\/j.chest.2021.10.019","type":"journal-article","created":{"date-parts":[[2022,4,5]],"date-time":"2022-04-05T05:07:06Z","timestamp":1649135226000},"page":"e219-e223","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":0,"title":["A 70-Year-Old Woman With Long-Term Nonresolving Pneumonia"],"prefix":"10.1016","volume":"161","author":[{"given":"Saki","family":"Tomiyasu","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroki","family":"Kabata","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Katsura","family":"Emoto","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shuhei","family":"Azekawa","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chihaya","family":"Maeda","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kyohei","family":"Masai","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroyuki","family":"Yasuda","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Koichi","family":"Fukunaga","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"issue":"1","key":"10.1016\/j.chest.2021.10.019_bib1","doi-asserted-by":"crossref","first-page":"91","DOI":"10.1016\/S0169-5002(01)00224-0","article-title":"Pulmonary pleomorphic (spindle) cell carcinoma: peculiar clinicopathologic manifestations different from ordinary non-small cell carcinoma","volume":"34","author":"Chang","year":"2001","journal-title":"Lung Cancer"},{"year":"2021","series-title":"WHO Classification of Tumours: Thoracic Tumours","key":"10.1016\/j.chest.2021.10.019_bib2"},{"issue":"12","key":"10.1016\/j.chest.2021.10.019_bib3","doi-asserted-by":"crossref","first-page":"2936","DOI":"10.1002\/1097-0142(19940615)73:12<2936::AID-CNCR2820731210>3.0.CO;2-U","article-title":"Pleomorphic (spindle\/giant cell) carcinoma of the lung: a clinicopathologic correlation of 78 cases","volume":"73","author":"Fishback","year":"1994","journal-title":"Cancer"},{"issue":"3","key":"10.1016\/j.chest.2021.10.019_bib4","doi-asserted-by":"crossref","first-page":"311","DOI":"10.1097\/00000478-200303000-00004","article-title":"Pulmonary carcinomas with pleomorphic, sarcomatoid, or sarcomatous elements: a clinicopathologic and immunohistochemical study of 75 cases","volume":"27","author":"Rossi","year":"2003","journal-title":"Am J Surg Pathol"},{"issue":"11","key":"10.1016\/j.chest.2021.10.019_bib5","doi-asserted-by":"crossref","first-page":"1727","DOI":"10.1097\/PAS.0b013e3181804302","article-title":"Pleomorphic carcinoma of the lung: clinicopathologic characteristics of 70 cases","volume":"32","author":"Mochizuki","year":"2008","journal-title":"Am J Surg Pathol"},{"issue":"2","key":"10.1016\/j.chest.2021.10.019_bib6","doi-asserted-by":"crossref","first-page":"554","DOI":"10.1148\/radiol.2322031201","article-title":"Pleomorphic carcinoma of lung: comparison of CT features and pathologic findings","volume":"232","author":"Kim","year":"2004","journal-title":"Radiology"},{"issue":"3","key":"10.1016\/j.chest.2021.10.019_bib7","doi-asserted-by":"crossref","first-page":"207","DOI":"10.2482\/haigan.40.207","article-title":"A\u00a0case of pleomorphic carcinoma of the lung","volume":"40","author":"Iwamaru","year":"2000","journal-title":"Jpn J Lung Cancer"},{"key":"10.1016\/j.chest.2021.10.019_bib8","doi-asserted-by":"crossref","first-page":"125","DOI":"10.1016\/j.ejca.2016.03.012","article-title":"High co-expression of PD-L1 and HIF-1\u03b1 correlates with tumour necrosis\u00a0in\u00a0pulmonary pleomorphic carcinoma","volume":"60","author":"Chang","year":"2016","journal-title":"Eur J Cancer"},{"issue":"17","key":"10.1016\/j.chest.2021.10.019_bib9","doi-asserted-by":"crossref","first-page":"2698","DOI":"10.1016\/j.ejca.2015.08.013","article-title":"Programmed death-1 ligand 1 and 2 are highly expressed in pleomorphic carcinomas of the lung: comparison of sarcomatous and carcinomatous areas","volume":"51","author":"Kim","year":"2015","journal-title":"Eur J Cancer"},{"key":"10.1016\/j.chest.2021.10.019_bib10","doi-asserted-by":"crossref","first-page":"150","DOI":"10.1016\/j.ejca.2020.03.029","article-title":"Outstanding clinical efficacy of PD-1\/PD-L1 inhibitors for pulmonary pleomorphic carcinoma","volume":"132","author":"Lee","year":"2020","journal-title":"Eur J Cancer"}],"container-title":["Chest"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0012369221042045?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0012369221042045?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,9,15]],"date-time":"2025-09-15T08:44:43Z","timestamp":1757925883000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0012369221042045"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,4]]},"references-count":10,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2022,4]]}},"alternative-id":["S0012369221042045"],"URL":"https:\/\/doi.org\/10.1016\/j.chest.2021.10.019","relation":{},"ISSN":["0012-3692"],"issn-type":[{"type":"print","value":"0012-3692"}],"subject":[],"published":{"date-parts":[[2022,4]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"A 70-Year-Old Woman With Long-Term Nonresolving Pneumonia","name":"articletitle","label":"Article Title"},{"value":"Chest","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.chest.2021.10.019","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2021 The Author(s). Published by Elsevier Inc under license from the American College of Chest Physicians.","name":"copyright","label":"Copyright"}]}}