{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T09:44:33Z","timestamp":1753868673551,"version":"3.41.2"},"reference-count":40,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2020,12,28]],"date-time":"2020-12-28T00:00:00Z","timestamp":1609113600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cancer Reports"],"published-print":{"date-parts":[[2021,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Patterns of failure following definitive CRT (dCRT) are different as compared to neoadjuvant chemoradiotherapy (NACRT) with increased locoregional failures documented with dCRT.<\/jats:p><\/jats:sec><jats:sec><jats:title>Aim<\/jats:title><jats:p>To document failure patterns in patients with esophageal carcinoma treated with neoadjuvant and definitive intent radiation strategies.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Subjects were 123 patients treated with two chemoradiotherapy strategies. Group 1 (n\u00a0=\u00a099) underwent dose escalated definitive chemoradiotherapy (dCRT), Group 2 (n\u00a0=\u00a024) received neoadjuvant chemoradiotherapy (NACRT) followed by surgery. Cumulative incidence of locoregional failure (LRF), local failure (LF), regional lymph node failure (RLNF), and distant metastasis (DM) were computed; differences between the groups was evaluated using log rank test. Univariable and multivariable predictors of failure were identified using Cox regression analysis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Cumulative LRF: 64% in Group 1 vs 35% in Group 2 (<jats:italic>P<\/jats:italic>\u00a0=\u00a0.050). Cumulative LF: 59% in Group 1 vs 12% in Group 2 (<jats:italic>P<\/jats:italic>\u00a0=\u00a0.000). Cumulative RLNF: 30% in Group 1 vs 24% in Group 2 (<jats:italic>P<\/jats:italic>\u00a0=\u00a0.592). Most common RLNF: mediastinum for both groups (6% vs 12.5%, respectively). Distant metastasis: 40.4% Group 1 vs 17% Group 2 (<jats:italic>P<\/jats:italic>\u00a0=\u00a0.129), predominantly lung (Group 1, 5%), and nonregional nodes (Group 2, 8.3%). Univariate analysis identified age \u226450, absence of concurrent chemotherapy, dose \u226450\u2009Gy, and incomplete radiotherapy to predict higher odds of LRF and DM for Group 1; absence of comorbidities predicted for lower odds of LRF for Group 2. Age \u226450 predicted for higher odds of RNLR for Group 1, while absence of comorbidities predicted for lower odds of RNLR in Group 2. Multivariate analysis identified age \u226450, incomplete radiotherapy, and absence of concurrent chemotherapy to predict higher odds of LRF for Group 1. Age \u226450, absence of concurrent chemotherapy predicted higher odds of DM for Group 1. Absence of comorbidity predicted lower odds of LRF in Group 2.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>LRF is common in both groups, with LF being predominant in dCRT as opposed to RNLF in NACRT. Age \u226450, absence of concurrent chemotherapy is a predictor of LRF and DM in dCRT.<\/jats:p><\/jats:sec>","DOI":"10.1002\/cnr2.1332","type":"journal-article","created":{"date-parts":[[2020,12,28]],"date-time":"2020-12-28T14:56:04Z","timestamp":1609167364000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Assessing failure patterns of radical intent radiation strategies in patients with locally advanced carcinoma of the esophagus"],"prefix":"10.1002","volume":"4","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3196-5094","authenticated-orcid":false,"given":"Shagun","family":"Mishra","sequence":"first","affiliation":[{"name":"Department of Radiotherapy Sanjay Gandhi Postgraduate Institute of Medical Sciences  Lucknow Uttar Pradesh India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Farhan","family":"Ahmad","sequence":"additional","affiliation":[{"name":"Department of Radiotherapy Sanjay Gandhi Postgraduate Institute of Medical Sciences  Lucknow Uttar Pradesh India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shalini","family":"Singh","sequence":"additional","affiliation":[{"name":"Department of Radiotherapy Sanjay Gandhi Postgraduate Institute of Medical Sciences  Lucknow Uttar Pradesh India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rajneesh K.","family":"Singh","sequence":"additional","affiliation":[{"name":"Department of Gastrosurgery Sanjay Gandhi Postgraduate Institute of Medical Sciences  Lucknow Uttar Pradesh India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Koilpillai J. 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