"Normal cells" refer to healthy cells that function properly and follow the typical structure and function of the specific tissue or organ they belong to. Full definition
It also has a role in normal cell growth and nerve and muscle function. (verywellfit.com)
However, direct evidence that fusion of normal cells by itself could trigger cancer has not been reported. (sciencedaily.com)
As medical science advanced, it became increasingly likely that cancer cells differ from normal cells in ways that make them foreign in the eyes of the immune system. (laskerfoundation.org)