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. Author manuscript; available in PMC: 2014 Aug 5.
Published in final edited form as: Cardiovasc Intervent Radiol. 2012 Apr 26;36(1):166–175. doi: 10.1007/s00270-012-0377-1

Fig. 1.

Fig. 1

Minimal margin evaluation method. Minimal margin (M) is the minimum of n margin values (m): m1 = a1–b1, a2–b2, a3–b3, etc. In this demonstrated case, “a3–b3” represents the minimal margin