Table 4. Correlation of TS and p53 expression between pretreatment biopsy specimens and surgically resected materials.

	Resected tumour
Pretreatment biopsy	High	Low	Concordance (%)
Cases treated with neoadjuvant chemotherapy (n=38)
TS
High	6	2	34 (89%)
Low	2	28
p53
High	14	1	37 (97%)
Low	0	23
Control untreated cases (n=48)
TS
High	11	4	41 (85%)
Low	3	30
p53
High	14	0	48 (100%)
Low	0	34