{"entity":{"id":"1930","kind":"year","name":"1930 in oncology","aka":["1930"],"tldr":"Everything OnCo dates to 1930: 2 entries, 2 landmarks. 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":"2 dated entries in OnCo fall in 1930: 2 landmarks.\n\nOf those, 2 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":["1929","1931"],"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":1930,"events":[{"group":"history","date":"1930","precision":"year","title":"Erdheim and Chester describe 'lipoid granulomatosis'","note":"Erdheim-Chester disease, Rosai-Dorfman disease and other histiocytic neoplasms","from":"histiocytoses","refs":[]},{"group":"history","date":"1930","precision":"year","title":"Jakob Erdheim and William Chester describe lipoid granulomatosis","note":"Erdheim-Chester disease","from":"erdheim-chester-disease","refs":[]}]},"route":"/years/1930/","neighbours":{"year":[{"id":"1929","kind":"year","name":"1929 in oncology","route":"/years/1929/"},{"id":"1931","kind":"year","name":"1931 in oncology","route":"/years/1931/"}]}}