the mean histopathology scores for the following tissues were significantly greater for dogs that received occpr vs. those that received cccpr : skin ( 2.5 vs. 0.0 ; p less than 0.001 ) , subcutaneous tissue ( 2.2 vs. 0.1 ; p less than 0.001 ) , muscle ( 2.3 vs. 0.1 ; p less than 0.001 ) , pleura ( 1.6 vs. 0.0 ; p less than 0.001 ) , pericardium ( 1.4 vs. 0.2 ; p less than 0.01 ) , epicardium ( 2.5 vs. 0.2 ; p less than 0.001 ) , myocardium ( 2.5 vs. 0.3 ; p less than 0.001 ) , and endocardium ( 1.9 vs. 0.5 ; p less than 0.01 ) .
C0031050
pericardium
C0225968
epicardium