Lymphomas are cancers of the lymphatic system, a network of vessels which form part of the body's immune system, and carry other infection-fighting cells called "lymphocytes", as well as draining dead cells away from the tissues.
Antitrust sceptics following the case have been at pains to argue that these network effects do not, in practice, make the product in question immune to competition.
To prevent computers from succumbing to viruses and other network-borne horrors, they are borrowing ideas from immunology, and building digital immune systems.