{"entity":{"id":"1973","kind":"year","name":"1973 in oncology","aka":["1973"],"tldr":"Everything OnCo dates to 1973: 10 entries, 8 landmarks, 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":"10 dated entries in OnCo fall in 1973: 8 landmarks, 1 approval and 1 company founded.\n\nOf those, 10 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":["1972","1974"],"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":1973,"events":[{"group":"approval","date":"1973","precision":"year","title":"Bleomycin approved in US","note":"Squamous cell carcinomas, Hodgkin and non-Hodgkin lymphoma, testicular carcinoma, malignant pleural effusion","from":"bleomycin","refs":[]},{"group":"company","date":"1973","precision":"year","title":"Hanmi Pharmaceutical founded","note":"Seoul","from":"hanmi-pharmaceutical","refs":[]},{"group":"history","date":"1973","precision":"year","title":"7+3 induction defined","note":"Acute myeloid leukaemia. Cytarabine 7 days + daunorubicin 3 days (Yates et al.); still the intensive backbone.","from":"aml","refs":["cytarabine-7-3"]},{"group":"history","date":"1973","precision":"year","title":"7+3 regimen","note":"Acute myeloid leukaemia","from":"aml","refs":[]},{"group":"history","date":"1973","precision":"year","title":"Charing Cross hCG surveillance service established","note":"Gestational trophoblastic neoplasia. Model for centralised GTD registries.","from":"gestational-trophoblastic","refs":[]},{"group":"history","date":"1973","precision":"year","title":"Charing Cross Hospital centralises registration and treatment in the United Kingdom","note":"Low-risk gestational trophoblastic neoplasia (FIGO score 0 to 6)","from":"low-risk-gtn","refs":["tumour-markers"]},{"group":"history","date":"1973","precision":"year","title":"Langerhans cell identified as the lesional cell","note":"Langerhans cell histiocytosis (LCH). Nezelof finds Birbeck granules in the lesions.","from":"langerhans-cell-histiocytosis","refs":[]},{"group":"history","date":"1973","precision":"year","title":"t(9;22) translocation","note":"Chronic myeloid leukaemia (CML). Janet Rowley shows the Philadelphia chromosome is a reciprocal translocation.","from":"cml","refs":[]},{"group":"history","date":"1973","precision":"year","title":"VA Lung Study Group defines limited vs extensive stage","note":"Small-cell lung cancer","from":"sclc","refs":["limited-extensive-stage"]},{"group":"history","date":"1973","precision":"year","title":"WHO recognises clear cell carcinoma as an ovarian type","note":"Clear cell ovarian cancer","from":"clear-cell-ovarian-cancer","refs":[]}]},"route":"/years/1973/","neighbours":{"year":[{"id":"1972","kind":"year","name":"1972 in oncology","route":"/years/1972/"},{"id":"1974","kind":"year","name":"1974 in oncology","route":"/years/1974/"}]}}