The dilation tube is percutaneously introduced to {HEAD ~ a target site} within a patients body, usually within {TAIL ~ the abdomen} in a laparoscopic procedure 
usually within
The dilation tube is percutaneously introduced to { HEAD ~ a target site } within a patients body , usually within { TAIL ~ the abdomen } in a laparoscopic procedure
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH