PTCL	Peripheral T-cell lymphoma
TFH	Follicular T helper
TFHL	Follicular T helper cell lymphoma
TFHL-AI	Follicular T helper cell lymphoma angioimmunoblastic-type
TFHL-AI-1	Follicular T helper cell lymphoma angioimmunoblastic-type, pattern 1
TFHL-AI-2	Follicular T helper cell lymphoma angioimmunoblastic-type, pattern 2
TFHL-AI	Follicular T helper cell lymphoma angioimmunoblastic-type, pattern 3
TFHL-F	Follicular T helper cell lymphoma follicular-type
TFHL-NOS	Follicular T helper cell lymphoma not otherwise specified-type
CXCR5	CXC chemokine receptor type 5
CXCL13	CXC chemokine ligand 13
BCL6	B-cell lymphoma 6
PD1	Programmed cell death protein 1
ICOS	Inducible T-cell costimulator
MEF2B	Myocyte enhancer binding factor 2 B
EBV	Epstein-Barr virus
EBER	EBV-encoded small RNA
LMP1	EBV-encoded latent membrane protein 1
DLBCL	Diffuse large B-cell lymphoma
TCR	T-cell receptor
GC	Germinal center
B-IBs	B immunoblasts
HRS-like	Hodgkin-Reed-Sternberg-like
FDC	Follicular dendritic cell
HEV	High endothelial venule
IHC	Immunohistochemistry