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Chapter 01 – Introduction

There is no universally accepted age cut-off defining “elderly.” This reflects the fact that chronological age itself is less important than biological events in driving the ageing process within an individual. However, chronological age is a simple and practical way of defining a target population, and 70 years is currently the most commonly used cut-off for defining patients as elderly within the field of geriatric oncology.

Biology of Ageing and Changes in Organ Function

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