Fig. 1

Survival curves of patients with extranodal natural killer (NK)/T-cell lymphoma (ENKTL) according to ABO blood type. a Progression-free survival (PFS) curves of patients according to blood types A, B, AB, and O. b Overall survival (OS) curves of patients according to blood types A, B, AB, and O. c PFS curves of patients according to blood types O and non-O (A, B, and AB). d OS curves of patients according to blood types O and non-O. e PFS curves of patients according to blood types O/AB versus type A/B. f OS curves of patients according to blood types O/AB versus type A/B