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pericarditis obliterans

(ə-blĭtə-rănz′)
n.
  1. Inflammation of the pericardium leading to adhesion of the two layers, thus obliterating the sac.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.