In contrast the diffuse type shows no geographic variation, is more common in women, often appears in young people with positive family history, has a worse prognosis and is not associated with gastric atrophy or intestinal metaplasia 6, 14. Its incidence has not changed and even seems to be increasing 15, 16.
El tipo difuso, por el contrario, no muestra variación geográfica, es más frecuente en mujeres, aparece en personas jóvenes, con frecuencia hay historia familiar positiva, tiene peor pronóstico y no se acompaña de atrofia gástrica ni metaplasia intestinal 6, 14; su incidencia no ha variado e incluso parece estar aumentando 15, 16.