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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 | + |
