According to the NHS, lymphoedema — a long-term condition that causes swelling in the body's tissues — can develop when the lymphatic system does not work properly.

Source: https://www.dailymail.co.uk/health/article-11915463/Im-podiatrist-heres-feet-say-health.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

In 2010, Peter Sfameni's doctors suspected he may have had lymphoma, a cancer that affects the lymphatic system, the body's germ-fighting network.

Source: https://www.dailymail.co.uk/wellness/body/article-12869735/six-horriifying-surgical-mistakes.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

In this sense, a tumour becomes a rogue organ with its own blood supply, nerves, lymphatic system and stroma (cells and tissues that give organs their structure).

Source: https://www.theage.com.au/national/why-is-cancer-so-hard-to-cure-20230626-p5djiw.html?ref=rss&utm_medium=rss&utm_source=rss_feed