```xml
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<ns4:query_definition xmlns:ns2="http://www.i2b2.org/xsd/cell/crc/psm/1.1/" xmlns:ns4="http://www.i2b2.org/xsd/cell/crc/psm/querydefinition/1.1/" xmlns:ns3="http://www.i2b2.org/xsd/cell/crc/psm/analysisdefinition/1.1/">
    <query_name>Laparos-Body ma@13:35:19</query_name>
    <query_timing>SAMEVISIT</query_timing>
    <specificity_scale>0</specificity_scale>
    <panel>
        <panel_number>1</panel_number>
        <panel_timing>SAMEVISIT</panel_timing>
        <panel_accuracy_scale>100</panel_accuracy_scale>
        <invert>0</invert>
        <total_item_occurrences>1</total_item_occurrences>
        <item>
            <hlevel>6</hlevel>
            <item_name>Laparoscopic cholecystectomy</item_name>
            <item_key>\\i2b2_PROC\i2b2\Procedures\PRC\ICD9 (Inpatient)\(42-54) Operations on digestive system\(p51) Operations on gallbladder a~\(p51-2) Cholecystectomy4\(p51-23) Laparoscopic cholecystec~\</item_key>
            <item_icon>LA</item_icon>
            <tooltip>Procedures \ ... \ Operations on digestive system \ Operations on gallbladder and biliary tract \ Cholecystectomy \ Laparoscopic cholecystectomy</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
    </panel>
    <panel>
        <panel_number>2</panel_number>
        <panel_timing>SAMEVISIT</panel_timing>
        <panel_accuracy_scale>100</panel_accuracy_scale>
        <invert>0</invert>
        <total_item_occurrences>1</total_item_occurrences>
        <item>
            <hlevel>4</hlevel>
            <item_name>Body mass index (bmi) 20-29, adult</item_name>
            <item_key>\\ICD10_ICD9\Diagnoses\(Z00-Z99) Fact~rmj9\(Z68-Z68) Body~zq26\(Z68) Body mas~9tue\(Z68.2) Body m~p32m\</item_key>
            <item_icon>FA</item_icon>
            <tooltip>Diagnoses \ Factors influencing health status and contact with health services (z00-z99) \ Body mass index (bmi) (z68) \ Body mass index (bmi)
 \ Body mass index (bmi) 20-29, adult</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
    </panel>
</ns4:query_definition>

```

I want to find patients who have undergone laparoscopic cholecystectomy (Laparoscopic cholecystectomy) and have a body mass index (BMI) between 20-29 during the same visit.