title: Tumor heterogeneity is fundamental to the tumor ecosystem.
authors.forename: Gloria H
authors.initials: GH
authors.lastname: Heppner
authors.forename: Malathy
authors.initials: M
authors.lastname: Shekhar
mesh_terms: D014408:Biomarkers, Tumor / Q000235:genetics*; D004273:DNA, Neoplasm / Q000235:genetics*; D018740:Genetic Heterogeneity; D020022:Genetic Predisposition to Disease; D006801:Humans; D009369:Neoplasms / Q000145:classification* / Q000235:genetics*
chemical_list: D014408:Biomarkers, Tumor; D004273:DNA, Neoplasm