Macroscopically, GISTs are structures that range from few millimeters across to many centimeters in diameter. Some of these tumors are more than 30 cm wide. They can be diffuse, encapsulated or multinodular. When they are cut, they seem fibrous with areas of hemorrhaging, cystic degeneration and central necrosis.
En relación a lo primero, macroscópicamente son estructuras que van de unos pocos milímetros hasta varios centímetros hay tumores de 30 cm o más; son lesiones difusas, encapsuladas o multinodulares, fibrosos al corte con áreas de hemorragia, degeneración quística y necrosis central.