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Copyright ©The Author(s) 2019.
World J Gastrointest Oncol. Jul 15, 2019; 11(7): 509-517
Published online Jul 15, 2019. doi: 10.4251/wjgo.v11.i7.509
Table 1 Comparison of patient-derived cancer models
Cancer cell linesXenograftsOrganoids
Model systemIn vitroIn vivoIn vitro
Shape2D3D3D
Time prior to drug testing1-2 d4-8 mo10-14 d
CellularityClones of single cellTumor in microenvironmentMultiple cell types
Biological material producedAbundantScarceAbundant
CostLowHighMedium
Tumor architectureNoneRepresentedRepresented
Primary tumor representedNoYesYes