{TAIL ~ Apparatus} may be positioned within a body lumen of {HEAD ~ a patient} and may deliver energy at a first lengthwise and angular position to create a less than full circumferential treatment zone at the first position 
{ TAIL ~ Apparatus } may be positioned within a body lumen of { HEAD ~ a patient } and may deliver energy at a first lengthwise and angular position to create a less than full circumferential treatment zone at the first position
TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH