In particular, in patients with BI-ALCL, the mean concentration levels were for IL-10: 2601.06 pg/mL (range 58.36–6950), for IL-13: 1403.69 pg/mL (range 68.64–4950.67), for Eotaxin: 668.49 pg/mL (range 424.98–954.65), and for IL-6: 7965.87 pg/mL (range 159.81—42,900), whereas in patients with reactive seromas, the mean concentration levels were for IL-10: 3.82 pg/mL (range 0.35–19.69), for IL-13: 12.97 pg/mL (range 0.83–67.45), for Eotaxin: 179.54 pg/mL (range 0.31–671.47), and for IL-6: 5732.29 pg/mL (range 6.12–42,900). This evidence concerns the gene IL13 and anaplastic large cell lymphoma.