ALCL: ALK-	anaplastic large cell lymphoma, ALK-negative
ALCL, ALK+	anaplastic large cell lymphoma, ALK-positive
B2M	beta-2 microglobulin
CR	complete remission
CT	computed tomography
EBER	Epstein-Barr virus-encoded RNA
EBV	Epstein-Barr virus
ECOG	Eastern Cooperative Oncology Group
ENKTL	extranodal NK/T-cell lymphoma, nasal type
FISH	fluorescence in situ hybridization
GI-TNKL	primary gastrointestinal T/NK cell lymphoma
HR	hazard ratio
IHC	immunohistochemical staining
IPI	international prognostic index
ITCL, NOS	intestinal T-cell lymphoma, NOS
LDH	lactate dehydrogenase
MALT	mucosa-associated lymphoid tissue
MEITL	monomorphic epitheliotropic intestinal T-cell lymphoma
OS	overall survival
PD	progressive disease
PFS	progression-free survival
PR	partial response
SD	stable disease
TCR	T-cell receptor
WHO	World Health Organization