ADAM10 expression has been scored between 0-3 based on the staining percentage/tumor cell ratio in a study by Wang et al..18 Ko et al grouped the ADAM10 expression results as <10% (negative), 10-50% (weak staining) and >50% (strong staining).28 We described ≥26% as positive ADAM10 expression. The gene discussed is ADAM10; the disease is neoplasm.