Electronic Journal of Biotechnology ISSN: 0717-3458
© 2000 by Universidad Católica de Valparaíso -- Chile
Vol. 3 No. 3, Issue of December 15, 2000
Colonic epithelial patches of field defects arising and expanding within pre-existing areas with field defects, in progression to adenocarcinoma. The dark area represents an adenocarcinoma.