1. Discussion with Healthcare Providers: It is crucial for patients and their families to have open discussions with their oncologists and other healthcare providers about the prognosis and potential outcomes of resuscitation. 2. Legal Documentation: The DNR order must be documented in the patient's medical record, and in some jurisdictions, additional paperwork may be required. 3. Review and Reassessment: The decision should be reviewed periodically, especially if the patient's condition or preferences change.