Comorbidity? YES
              Cardial Comorbidity? YES
                Angina? YES
                MI? NO
              Vascular Comorbidity?
                (no answers)
              ...
            Histopathology
              Abdominal
                pT category: 1a
              ...
<required value="true"/><group><linkId value="1.1"/><concept><system value="http://example.org/system/code/sections"/><code value="COMORBIDITY"/></concept><question><linkId value="1.1.1"/><concept><system value="http://example.org/system/code/questions"/><code value="COMORB"/></concept><type value="choice"/><options><reference value="#yesno"/></options><group><linkId value="1.1.1.1"/><concept><system value="http://example.org/system/code/sections"/><code value="CARDIAL"/></concept><question><linkId value="1.1.1.1.1"/><concept><system value="http://example.org/system/code/questions"/><code value="COMORBCAR"/></concept><type value="choice"/><options><reference value="#yesno"/></options></question><question><linkId value="1.1.1.1.2"/><concept><system value="http://example.org/system/code/questions"/><code value="COMCAR00"/><display value="Angina Pectoris"/></concept><concept><system value="http://snomed.info/sct"/><code value="194828000"/><display value="Angina (disorder)"/></concept><type value="choice"/><options><reference value="#yesno"/></options></question><question><linkId value="1.1.1.1.3"/><concept><system value="http://snomed.info/sct"/><code value="22298006"/><display value="Myocardial infarction (disorder)"/></concept><type value="choice"/><options><reference value="#yesno"/></options></question></group><group><linkId value="1.1.1.2"/><concept><system value="http://example.org/system/code/sections"/><code value="VASCULAR"/></concept></group></question></group><group><linkId value="1.2"/><concept><system value="http://example.org/system/code/sections"/><code value="HISTOPATHOLOGY"/></concept><group><linkId value="1.2.1"/><concept><system value="http://example.org/system/code/sections"/><code value="ABDOMINAL"/></concept><question><linkId value="1.2.1.2"/><concept><system value="http://example.org/system/code/questions"/><code value="STADPT"/><display value="pT category"/></concept></question></group></group></group></Questionnaire>