the.com/lymphoma

A cancer of the lymphatic system, where lymphocytes grow uncontrollably and often form tumors in the lymph nodes.

means A cancer of the lymphatic system, where white blood cells called lymphocytes grow out of control and form tumors, usually in lymph nodes.

from Built from 'lymph' — the clear fluid that travels your lymphatic vessels, from Latin 'lympha' meaning clear water or goddess of water — plus the medical suffix '-oma,' Greek for tumor or swelling. So literally, 'swelling of the lymph system': a plain, clinical label for a disease that turns the body's own drainage and defense network into the tumor's transit system.

origin
starts in lymphocytes, the white blood cells meant to fight disease
two families
Hodgkin has a distinctive giant cell, non-Hodgkin doesn't
telltale sign
painless swollen lymph nodes, often in neck or armpit
outlook
one of the most treatable cancers, especially caught early
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