(1) Veins typically have 3 layers: tunica intima, media, and adventitia.(2) The tumor completely encased the right coronary artery with external compression of the vessel wall without invasion into the tunica media.(3) tunica media(4) Arterial calcification most commonly involves the tunica media.(5) Muscle fibers arranged in various striae form the tunica media of veins, for example, in medium-sized vessels.(6) The tumor seemed to infiltrate the tunica albuginea and the rete testis, as well as the root of the epididymis.
