“…2 IVC atresia is a rare condition with a prevalence of 0.0005%-1% of the population. 1,2 It can be asymptomatic due to collateral flow and discovered incidentally in approximately 25%-33% of cases. 1,3 However, patients may present with a myriad of symptoms such as painful engorgement of superficial collateral veins, lower extremity swelling, venous thrombosis (VT) at a young age, non-healing venous ulcers, and rarely renal dysfunction.…”