{HEAD ~ Superimposition} of the first treatment zone and {TAIL ~ the one or more additional treatment zones} defines a non continuous circumferential treatment zone without formation of a continuous circumferential lesion 
of
{ HEAD ~ Superimposition } of the first treatment zone and { TAIL ~ the one or more additional treatment zones } defines a non continuous circumferential treatment zone without formation of a continuous circumferential lesion
HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH 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