IL6 and B-cell non-Hodgkin lymphoma: The majority of Δ122/Δ122 IL-6+/+ mice had either T-cell lymphomas (64%, 18/28) or sarcomas (14%, 4/28), although 3 mice had co-existing malignancies, and 1 mouse had a localised B-cell lymphoma (Supplementary Fig. 2).