Tumor diagnosis >
Pre-existing tumor heterogeneity
Cancer therapy >
Chemotherapy / immuno-therapy
Patient remission >
Cancer therapy induced reduction of tumor tissue
Cancer metastasis >
Expansion of cancer-driving cell population
Patient relapse >
Progressed cancer with no therapies available yet
Based on: Dagogo-Jack and Shaw 2018: “Tumour heterogeneity and resistance to cancer therapies”, Nature reviews Clinical oncology