Ivor, Welsh surgeon who in 1946 reported to the Royal College of Surgeons a two-stage esophagectomy by laparotomy and right thoracotomy, performed today as one procedure. See Ivor L. esophagectomy.
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Lew·is 'lü-əs adj of or relating to the Lewis blood groups <\Lewis antigens>
Lewis H. D. G. British hospital patient. The Lewis antigen was first recognized in the blood of Mrs. Lewis in 1946.
Medical dictionary. 2011.