{"entity":{"id":"1981","kind":"year","name":"1981 in oncology","aka":["1981"],"tldr":"Everything OnCo dates to 1981: 11 entries, 5 landmarks, 3 journals founded, 1 approval and 1 company founded. Each line links to the record it was read from, so the year is a view of the corpus rather than a second copy of it.","summary":"11 dated entries in OnCo fall in 1981: 5 landmarks, 3 journals founded, 1 approval, 1 company founded and 1 paper.\n\nOf those, 11 to the year only. Most of the corpus dates a fact to the year, because that is what the source it was read from gives; regulatory events and the readout calendar are the parts that carry a full date.\n\nEverything on this page is generated from the other records. It holds no fact of its own, and it changes when they do.","asOf":"2026-09-25","links":[],"tags":[],"related":["1980","1982"],"cancers":[],"sections":[],"technologies":[],"targets":[],"drugs":[],"companies":[],"institutions":[],"pathways":[],"terms":[],"trials":[],"people":[],"bottlenecks":[],"keyPapers":[],"journals":[],"dependsOn":[],"notes":["Generated from every dated field in the corpus, not written by hand. The groups and the fields behind them are listed in src/lib/year-groups.ts; the reader is src/lib/years.ts."],"year":1981,"events":[{"group":"approval","date":"1981","precision":"year","title":"Estramustine approved in US","note":"Palliative treatment of metastatic or progressive prostate cancer","from":"estramustine","refs":[]},{"group":"company","date":"1981","precision":"year","title":"Natco Pharma founded","note":"Hyderabad","from":"natco","refs":[]},{"group":"history","date":"1981","precision":"year","title":"Gastrointestinal Tumor Study Group: fluorouracil chemoradiation lengthens survival over radiotherapy alone in locally advanced disease","note":"Locally advanced unresectable pancreatic ductal adenocarcinoma","from":"locally-advanced-pdac","refs":["fluorouracil","chemoradiation"]},{"group":"history","date":"1981","precision":"year","title":"KS in young gay men heralds the AIDS epidemic (CDC MMWR)","note":"Kaposi sarcoma","from":"kaposi-sarcoma","refs":[]},{"group":"history","date":"1981","precision":"year","title":"Masaoka staging system","note":"Thymoma and thymic carcinoma. Refined by Koga in 1994.","from":"thymic-epithelial","refs":[]},{"group":"history","date":"1981","precision":"year","title":"Masaoka staging system published, later refined by Koga","note":"Thymoma (WHO types A, AB, B1, B2 and B3)","from":"thymoma","refs":["staging-systems"]},{"group":"history","date":"1981","precision":"year","title":"World Health Organization adopts phyllodes tumour with benign, borderline and malignant grades","note":"Phyllodes tumour of the breast","from":"phyllodes-tumour","refs":[]},{"group":"journal","date":"1981","precision":"year","title":"Anticancer research founded","note":"International Institute of Anticancer Research","from":"anticancer-research","refs":[]},{"group":"journal","date":"1981","precision":"year","title":"Breast cancer research and treatment founded","note":"Springer","from":"breast-cancer-research-and-treatment","refs":[]},{"group":"journal","date":"1981","precision":"year","title":"Cancer treatment and research founded","note":"Springer","from":"cancer-treatment-and-research","refs":[]},{"group":"paper","date":"1981","precision":"year","title":"Masaoka staging: follow-up study of thymomas with special reference to their clinical stages","note":"Masaoka A, Monden Y, Nakahara K, Tanioka T. Cancer.","from":"paper-masaoka-thymoma-clinical-staging-cancer-1981","refs":[]}]},"route":"/years/1981/","neighbours":{"year":[{"id":"1980","kind":"year","name":"1980 in oncology","route":"/years/1980/"},{"id":"1982","kind":"year","name":"1982 in oncology","route":"/years/1982/"}]}}