A hospital-based cancer telemedicine study found that more than one-third of patients did not participate, while active users strongly preferred secure messaging over structured symptom tracking. The findings point to adoption friction and engagement design issues rather than purely clinical effectiveness. For oncology programs, participation gaps directly affect the feasibility of scaling remote symptom monitoring, remote triage, and patient-reported outcome workflows. The preference for secure messaging suggests that patient experience and perceived security may drive telehealth engagement. End-of-life messaging trends also emerged in the study, indicating that communication patterns in telemedicine settings may influence how care is coordinated near treatment transitions. The item does not provide intervention outcomes, but it adds actionable constraints for product and program design in remote oncology care.