CD8A and neoplasm: Antitumour effects are mediated by the ability of CD8+ T-cells to induce a response against a specific antigen.8 There are three phases of the so-called immunoediting process which allows tumour cells to escape and eventually be eliminated from immune control: elimination, equilibrium, and the escape phase.5,9 Patients typically present and are diagnosed once the tumour has reached a stage that allows it to evade immunosurveillance, resulting in symptoms or palpable masses.5,10