actual, all, anatomical, anatomically, angioplasty, anterior, arterial, arteries, artery, attack, away, back, backbone, backs, balloon, blockage, blood, bone, bones, cardiac, cardial, cardio, cardiology, column, columns, complete, coronary, cut, cut-away, deflated, descending, descriptions, encased, enlarged, expanded, expands, front, frontal, heart, hearts, inflated, inflation, inserted, insertion, into, l, l-3, l-4, l-5, l3, l4, l5, lad, low, lower, lumbar, lumen, lumina, medical, myocardial, myocardium, occluded, open, operation, operations, operative, periods, plaque, possible, procedure, procedures, pt, regular, remain, remains, spinal, spine, spines, spinous, stenosis, stent, steps, surgeries, surgery, surgical, vascular, vasculature, ventral, vertebra, vertebrae, vertebral, vessel, vessels, withdrawal, withdrawn, 3, 4, 5, 34, 90