The apparatus also may deliver {HEAD ~ energy} at {TAIL ~ one or more additional lengthwise and angular positions} within the body lumen to create less than full circumferential treatment zone at the one or more additional positions that are offset lengthwise and angularly from the first treatment zone 
at
The apparatus also may deliver { HEAD ~ energy } at { TAIL ~ one or more additional lengthwise and angular positions } within the body lumen to create less than full circumferential treatment zone at the one or more additional positions that are offset lengthwise and angularly from the first treatment zone
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH