Passages of cancer caregivers' unmet needs across 8 years.

The caregiving status trajectory over 8 years was a substantial predictor of family caregivers' unmet needs at the 8-year mark. Findings provide guidance for the development of evidence-based programs and patient/caregiver-centered care policies to reduce the unmet needs of family caregivers, which reflect the diverse trajectories of cancer caregivership, many years after the diagnosis of their patients.