Cytokeratin 7 (CK7)
Cytokeratin 7 (CK7) is a protein made by epithelial cells in the thyroid gland, lungs, thymus, female reproductive organs, upper digestive tract, and head and neck. This type of protein is also made by most benign (noncancerous) and malignant (cancerous) tumours that start in these organ systems. After CK7 is made, it is held in …
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