Combination of PET2 (positive or negative) assessed with ΔSUVmax with the baseline total metabolic tumor volume (TMTV) low or high in DLBCL patients enrolled in the PETAL study stratifies 4 groups of patients with different overall survival. neg., negative; pos., positive. Reprinted from European Journal of Cancer. 2020: 124, Schmitz C, Hüttmann A, Müller SP, et al, Dynamic risk assessment based on positron emission tomography scanning in diffuse large B-cell lymphoma: post-hoc analysis from the PETAL trial, pages 25-36. Copyright 2020, with permission from Elsevier.