Quantitative not qualitative histology differentiates aneurysmal from nondilated ascending aortas and reveals a net gain of medial components oleh Sameh Yousef, Nana Matsumoto, Issam Dabe, Makoto Mori, Alden B. Landry, Shin-Rong Lee, Yuki Kawamura, Chen Yang, Guangxin Li, Roland Assi, Prashanth Vallabhajosyula, Arnar Geirsson, Gilbert Moeckel, Jay D. Humphrey, George Tellides