Chimeric antigen receptor engineered NK cellular immunotherapy overcomes the selection of T-cell escape variant cancer cells ============================================================================================================================ * Maxwell Y Lee * Yvette Robbins * Cem Sievers * Jay Friedman * Houssein Abdul Sater * Paul E Clavijo * Nancy Judd * Edward Tsong * Chris Silvin * Patrick Soon-Shiong * Michelle R Padget * Jeffrey Schlom * James Hodge * Christian Hinrichs * Clint Allen