Table 2 Percentages of nuclei with different numbers of signals from neoplastic cells

No. case	Chromosome 1			Chromosome 2			Chromosome 6			Chromosome 10			Chromosome 17
	Percentage of nuclei			Percentage of nuclei			Percentage of nuclei			Percentage of nuclei			Percentage of nuclei
	1 sign.	2 sign.	≥3 sign.	1 sign.	2 sign.	≥3 sign.	1 sign.	2 sign.	≥3 sign.	1 sign.	2 sign.	≥3 sign.	1 sign.	2 sign.	≥3 sign.
Chromophobe RCC with sarcomatoid transformation
1 Epithelial	18	75	7	14	83	3	15	79	6	11	79	10	14	69	17
1 Sarcomatoid	12	38	50	19	21	60	31	51	18	17	40	43	23	42	35
2 Epithelial	16	75	9	24	64	12	14	66	20	22	70	8	22	68	10
2 Sarcomatoid	20	41	39	15	44	41	12	30	58	12	35	53	5	39	56
3 Epithelial	76	20	4	78	17	5	82	14	4	15	82	3	23	60	17
3 Sarcomatoid	56	34	10	63	27	10	78	16	6	12	40	48	24	40	36
4 Epithelial	12	20	68	17	30	53	12	22	66	20	36	44	21	47	32
4 Sarcomatoid	10	25	65	9	26	65	11	20	69	12	33	55	20	22	58
5 Epithelial	10	44	46	12	33	55	9	55	36	7	33	60	10	44	46
5 Sarcomatoid	12	55	33	8	33	59	12	34	54	18	45	37	5	23	72
6 Epithelial	86	10	4	12	80	8	43	55	2	86	10	4	11	88	1
6 Sarcomatoid	18	45	37	15	45	40	18	45	37	13	44	43	6	44	50
Chromophobe RCC with distant metastases
7 Primary	84	12	4	86	10	4	80	10	10	80	17	3	76	21	3
7 Pulmonary mts	82	12	6	82	10	8	78	19	3	79	12	9	86	12	2
8 Primary	89	8	3	80	13	7	80	15	5	82	13	5	65	30	5
8 Pancreatic mts	71	20	9	72	22	6	68	18	14	75	15	10	73	17	10
9 Primary	12	78	10	12	80	8	15	80	5	11	82	7	19	78	3
9 Lymph-nodal mts	13	81	6	16	75	9	21	73	6	12	80	8	15	83	2

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