{HEAD ~ Several embodiments} of such methods and {TAIL ~ apparatus} are directed to circumferential treatments of the body lumen that apply energy in one or more discrete treatment areas to form one or more lesions that are not contiguous or continuous about any complete circumference of a cross section normal to a longitudinal axis of the body lumen 
{ HEAD ~ Several embodiments } of such methods and { TAIL ~ apparatus } are directed to circumferential treatments of the body lumen that apply energy in one or more discrete treatment areas to form one or more lesions that are not contiguous or continuous about any complete circumference of a cross section normal to a longitudinal axis of the body lumen
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