a total of 25 tissue areas , each approximately 4 x 7 mm , from the inner and middle thirds of the left ventricular free wall and ventricular septum were selected from ten hearts with hypertrophic cardiomyopathy ( hcm ) and dilated cardiomyopathy ( dcm ) and were stained with masson trichrome .
C0018787
hearts
C0007194
hypertrophic cardiomyopathy