A patient with a chronic postdissection distal arch aneurysm was treated with total arch replacement and frozen elephant trunk. Following uneventful initial recovery. the frozen elephant trunk appeared to be inadvertently perfusing the false lumen through an already present (in retrospect) intimal tear. resulting in rapid dilation of the false lumen and proximal compression of the graft. https://setartradinges.shop/product-category/visor-cap/