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Table 1 TK1 staining in normal and malignant tissue

From: Membrane expression of thymidine kinase 1 and potential clinical relevance in lung, breast, and colorectal malignancies

Tissue type Negative Positive
Lung adenocarcinoma 20 23
Lung squamous cell carcinoma 35 94
Normal lung 40 0
Cancer adjacent normal lung 10 0
Breast ductal carcinoma 6 19
Normal breast 24 0
Colon adenocarcinoma 9 26
Normal colon 10 0