Quality of life is an important outcome when treating a cancer patient. Research is vast on the role of quality of life on patients' general wellbeing, responsiveness to treatment, and even mortality. On the other hand, there are several methodological considerations when planning to measure and assess quality of life in cancer patients. This handbook – with authorship that is diverse in terms of perspectives, countries, and fields – aims to fill a gap in the available literature and responds to a number of questions in its 26 chapters:What is quality of life and health-related quality of...