Table 2.

Distribution of brain metastases

	Volume, mm3	All Tumors	Adenocarcinoma	Adenocarcinoma			Large Cell Carcinoma	Small Cell Carcinoma	Squamous Cell Carcinoma
				With Wild-Type EGFR	With Exon 19 Deletion of EGFR	With L858R Mutated EGFR
Deep white matter and brainstem	161 082	82	41	20	11	7	0	26	14
Caudate	32 353	14	6	3	1	2	0	3	1
Cerebellum	294 552	159	113	49	30	29	2	38	7
Frontal lobe	708 087	310	229	96	72	48	3	39	34
Insula	33 041	13	8	5	3	0	0	2	2
Occipital lobe	236 594	136	89	35	36	12	2	25	14
Parietal lobe	421 103	206	142	52	58	23	3	41	21
Putamen	26 171	8	6	4	2	0	0	0	2
Temporal lobe	356 227	87	64	29	15	13	1	12	8
Thalamus	34 802	18	14	4	8	1	0	0	2
Total	2 304 012	1033	712	297	236	135	11	186	105