Table 2.

Distribution of immunoreactivity scores for the different proteins

	Immunostaining score
Protein	0	+	++	+++
HsMCM2	33	30	40	44
Ki-67	22	23	18	9
PCNA	5	10	30	47
Cyclin A	30	62	37	18
Cyclin D1	87	38	12	10
Cyclin D3	90	19	19	19
Cyclin E	82	28	22	15

0, <10% of the tumour cell positive; +, 10–30% of the tumour cells positive; ++, 30–70% of the tumour cells positive; +++, >70% of the tumour cells positive.