Thymidine Kinase 1 Upregulation Is an Early Event in Breast Tumor Formation

Table 2

TK1 scoring of breast progressive array.

Pathological types of breast tissues	Negative/positive
Normal tissues	−
Breast adenosis	−
Sclerosing adenosis	−/+
Atypical hyperplasia	−/+
Infiltrating lobular carcinoma	+
Infiltrating carcinoma	+
Infiltrating carcinoma with lymph node metastasis	+