Changes in physical activity since cancer diagnosis and associations with health-related quality of life: a study of adults living with advanced cancer. - Agnew M; Cadmus-Bertram L; Kwekkeboom K; Trentham-Dietz A; Gangnon R; Schmidt C; Andersen SW (Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer, 2025)