| http://www.w3.org/ns/prov#value | - A method of treating a patient is provided, including steps of: passing a device including an expandable member having at least one trans-abdominally detectable marker; advancing the device into the abdominal cavity of the patient while tracking and guiding the advancing by trans-abdominally detecting the location of the at least one marker, relative to the patient's anatomy, as the device is adva
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