Table 1.

Summary of cell-type identity in scRNA-seq results of six patient CSF samples, three normal CSF samples, and blood-T/B samples.

Patient ID	Diagnostics	Number of sequenced cells	Number of QCd filtered cells	T Cells	B Cells	Monocytes	Diffuse large B cells
P1	SCNSLa-DLBCL	519	425	1	1	1	422
P2	PCNSLb-DLBCLc	36	32	0	1	9	22
P3-1	PCNSL-DLBCL	348	118	61	6	48	3
P3-2		384	252	13	0	4	235
P4	PCNSL-DLBCL	480	197	36	6	0	155
P5	PCNSL-DLBCL	48	41	4	3	2	32
P6	SCNSL-DLBCL	336	228	1	0	3	224
P7	PCNSL-DLBCL	480	188	188	0	0	0
N1	Control	288	213	176	1	36	0
N2	Control	240	145	138	3	4	0
N3	Control	83	41	27	0	14	0
Blood T	Normal	168	113	113	0	0	0
Blood B	Normal	168	121	2	118	0	0
Total		3,591	2,114	760	139	121	1,093

^aSCNSL: secondary central nervous system lymphoma.

^bPCNSL: primary central nervous system lymphoma.

^cDLBCL: diffuse large B-cell lymphoma.

^dQC: quality control.