Cases for which treatment information is missing and are deceased cannot be declared "Lost to follow-up" after primary diagnosis. "No treatment" is not a suitable response as the true value is "Unknown".
Deceased patients with no treatment information: 69/221 (31%). Only solution for a valid submission is to remove information on death of patient and declare the patient loss to follow-up after primary diagnosis.
treatment_intent:
Treatment intent is missing for most cases.
treatment_setting:
Treatment setting (when applicable) is missing for most cases.
treatment_type:
treatment_intent:
treatment_setting: