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Hostile Neck Parameters
| Hostile neck parameter |
|---|
| Neck length ≤10 mm |
| Focal bulge in the neck > 3 mm |
| > 2 mm reverse taper within 1 cm below the renal arteries |
| Neck thrombus or calcification ≥ 50% of the circumference |
| Angulation ≥ 60% below within 3 cm the renal arteries |
