The JAK2V617F was the most frequent mutation (56.2%), followed by CALR mutation (27.6%), which is consistent with Chinese (Lin et al., 2015), Japanese (Misawa et al., 2018), Argentinean (Ojeda et al., 2018), and American (Tefferi et al., 2014) ET populations. The gene discussed is CALR; the disease is essential thrombocythemia.