DancingRenal Nutcracker SyndromeBostonRenal VeinsTarsal JointsGymnasticsOligomenorrheaFlank PainEsophageal Motility DisordersConstriction, PathologicHematuriaCumulative Trauma DisordersSyndromeMesenteric Artery, SuperiorPeripheral Vascular DiseasesSpermatic CordPhlebographyEsophageal Spasm, DiffuseVaricocelePasseriformesPeristalsisVenous PressureManometryVena Cava, InferiorPelvic PainAntacidsVascular Surgical ProceduresUltrasonography, Doppler