Comorbidity? YES
              Cardial Comorbidity? YES
                Angina? YES
                MI? NO
              Vascular Comorbidity?
                (no answers)
              ...
            Histopathology
              Abdominal
                pT category: 1a
              ...
<group><question><answer><valueCoding><system value="http://cancer.questionnaire.org/system/code/yesno"/><code value="1"/><display value="Yes"/></valueCoding><group><question><answer><valueCoding><system value="http://cancer.questionnaire.org/system/code/yesno"/><code value="1"/></valueCoding></answer></question><question><answer><valueCoding><system value="http://cancer.questionnaire.org/system/code/yesno"/><code value="1"/></valueCoding></answer></question><question><answer><valueCoding><system value="http://cancer.questionnaire.org/system/code/yesno"/><code value="0"/></valueCoding></answer></question></group></answer></question></group></group></QuestionnaireResponse>