Table 5.

Correlation between p53 and Ki-67 protein expression in the second primary malignancy

		Cases	Ki-67				R-value	P-value
			Low-expression		High-expression
			-	+	++	+++
p53	-	17	7	8	2	0	0.319	0.037
	+	9	3	0	5	1
	++	11	4	2	3	2
	+++	6	1	1	3	1