IL1B and lymphoma: In contrast to pro-inflammatory cytokine IL-1β (r = −0.213), a marker of platelet activation P-selectin was in positive correlation (r = 0.169) with the Khorana score that predicts a risk of VTE for cancer patients as well as with the Thrombosis Lymphoma (ThroLy, r = 0.184) predictive score for assessing the probability of thromboembolic events in patients with lymphoma (Table 1).