Context: After cancer diagnosis, personal value priorities may change in a way that would transform such values and how life is perceived by cancer patients and their caregivers, including happiness and its pursuit.; Objectives: The objective of the study was to analyze and compare what cancer patients, informal caregivers, and healthy population believe that would make them happy.; Methods: A qualitative content analysis was performed on the responses to a single question: "What is missing for you to be happy?" Narratives of cancer patient
