{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,8]],"date-time":"2026-07-08T12:15:21Z","timestamp":1783512921708,"version":"3.55.0"},"reference-count":54,"publisher":"Oxford University Press (OUP)","issue":"3","license":[{"start":{"date-parts":[[2026,1,7]],"date-time":"2026-01-07T00:00:00Z","timestamp":1767744000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,5,9]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>A growing population of older adult cancer survivors faces competing cancer and noncancer health risks. There are limited real-world data on recurrence patterns beyond 5 years post-treatment.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This was a SEER-Medicare retrospective cohort study of patients aged \u226566 with stage I-III breast, colon, or rectal cancer who received definitive surgery and survived \u22655\u2009years from diagnosis without recurrence or second primary malignancy. Late recurrence (5\u201310\u2009years postdiagnosis) was identified using a validated algorithm to detect treated recurrence in Medicare claims. Demographic and clinical characteristics collected at cancer diagnosis were assessed as predictors of late treated recurrence using restricted mean survival time (RMST) regression.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The sample included 12\u2009859 breast, 17\u2009329 colon, and 4427 rectal cancer survivors. The cumulative incidence of late treated recurrence 5-10\u2009years postdiagnosis was 5.0% in breast, 4.4% in colon, and 8.0% in rectal cancer survivors. In all cohorts, stage was associated with shorter RMST. The absolute risk difference between stage I and III was greatest in breast (2% vs 18.1%), followed by rectal (5.2% vs 10.3%) and colon (2.7% vs 6.7%) cancer survivors (P\u2009&amp;lt;\u2009.001 for all cohorts). Although their effect on RMST was modest (&amp;lt;5%), higher grade, node-positive, and ER-positive disease in breast, left-sided tumors in colon, and radiation in rectal cancer were associated with late treated recurrence. Across all cohorts, the incidence of other-cause mortality (24.1%-34.0%) exceeded cancer-specific mortality (2.9%-6.2%).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Late treated recurrence in older long-term survivors is uncommon, but risk remains elevated 5\u2009years postdiagnosis in those with more advanced stage.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/jncics\/pkag002","type":"journal-article","created":{"date-parts":[[2026,1,3]],"date-time":"2026-01-03T12:27:53Z","timestamp":1767443273000},"source":"Crossref","is-referenced-by-count":2,"title":["Risk of late recurrence of colorectal and breast cancer among older long-term cancer survivors"],"prefix":"10.1093","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3042-0826","authenticated-orcid":false,"given":"Faiza","family":"Yasin","sequence":"first","affiliation":[{"name":"Department 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