(a) Image of mouse with two tumors before and after the plasma jet treatment for 24 hr. The subcutaneous tumors are grown from the seeded bladder cancer cells (SCaBER) [46]. Reproduced with permission from M. Keidar, et al., British Journal of Cancer, 105, 1295 (2011). Copyright 2011 Cancer Research UK. (b) Cold plasma treatment effect on the growth of established tumor in a murine melanoma model [46]. Reproduced with permission from M. Keidar, et al., British Journal of Cancer, 105, 1295 (2011). Copyright 2011 Cancer Research UK. (c) Images of nude mice bearing subcutaneous NOS2TR tumors before and after the injection of the cold plasma-stimulated medium. Green arrowheads indicate tumor site [71]. Reproduced with permission from F Utsumi, et al., PLoS ONE, 8, e81576 (2013). Copyright 2013 Public Library of Science..