Table II.

Results of FISH and conventional biopsy pathology.

Case	Countable cells	3 copies Chr. 3/Chr. 17	4 copies Chr. 3/Chr. 17	5 copies Chr. 3/Chr. 17	≥6 copies Chr. 3/Chr. 17	Hyperdisomy (%)	FISH	Pathology
1	33/51	8/8	3/7	8/6	0/0	57/41	Positive	Sq, V
2	100/100	39/51	18/12	18/7	10/7	85/77	Positive	Ad, V
3	71/100	36/50	6/25	17/13	9/9	95/97	Positive	Ad, V
4	90/100	14/25	18/19	35/33	11/5	86/82	Positive	Ad, V
5	79/82	2/1	0/1	0/0	0/0	2.5/2.4	Negative	Negative, II
6	30/34	1/3	1/0	0/0	0/0	6.6/8.8	Negative	Negative, IIIa
7	100/100	10/6	3/2	4/5	3/1	20/14	Positive	Sq, IV
8	100/100	55/36	9/13	9/26	17/8	90/83	Positive	Sq, IV
9	100/100	41/28	7/8	12/7	9/3	69/46	Positive	Sq, V
10	36/46	11/12	13/21	8/1	1/1	91/76	Positive	Sq, V
11	64/57	29/26	16/8	11/2.	2/2	90/66	Positive	Sq, V
12	100/100	40/41	20/21	24/23	7/3	91/88	Positive	Sq, V
13	79/98	36/20	1/12	16/33	18/8	89/74	Positive	a Negative, IIIa
14	100/100	30/30	25/20	20/15	2/5	77/70	Positive	Ad, V
15	100/100	44/35	20/20	30/10		94/75	Positive	Sq, V
16	98/94	2/1	1/1			3/2.1	Negative	Negative, II
17	100/100	47/39	19/11	6/7	0/3	72/60	Positive	Sq, V
18	100/100	3/3	1/3			4/6	Negative	Negative, IIIa
19	100/100	32/7	13/4	3/1	1/1	38/13	Positive	Ad, V
20	100/100	19/8	1/4	2/3	3/1	25/16	Positive	Sq, IIIb

Chr, chromosome; FISH, fluorescence in situ hybridization; Sq, squamous cell carcinoma; Ad, adenocarcinoma; II–V, grade.

^aFalse-negative.