Simple Summary As life expectancy is increasing, the older population is rapidly growing.
However, older patients with cancer are still underrepresented in clinical trials, making
treatment of these patients challenging for oncologists. Robust biomarkers that reflect the
body's biological age can be helpful to provide older patients with cancer with an optimal
personalized treatment. However, to be able to identify such biomarkers, more in-depth
research is needed in this underexplored population. In this review, we have put together …