BackgroundHealth-related quality of life (HRQoL) is a critical concern in elderly non-muscle-invasive bladder cancer (NMIBC) survivors, but modifiable dietary factors remain underexplored. Using a cross sectional design, this study aimed to investigate the association between dietary knowledge-attitude-practice (KAP) scores and HRQoL in recurrence-free elderly NMIBC patients 12 months after TUR...