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