Skip to main content
Figure 3 | Breast Cancer Research

Figure 3

From: Breast cancer intra-tumor heterogeneity

Figure 3

Circulating tumor cells and circulating cell free DNA. Circulating tumor cells and cell free DNA, which is at least in part derived from tumor cells, are obtained through serial collection of blood samples. Genetic analysis of these samples may provide information about the genetic heterogeneity of a cancer, and enable monitoring of its response to therapeutic interventions, the progression of the disease, and the emergence of resistant clones.

Back to article page