On November 13, 2012, Her Royal Highness Princess Letizia of Asturias presided over the conference entitled, Importancia de la Investigación en Cáncer, held at the headquarters of the Asociación Española Contra el Cáncer (AECC) in Madrid.

On November 13, 2012, Her Royal Highness Princess Letizia of Asturias presided over the conference entitled, Importancia de la Investigación en Cáncer, held at the headquarters of the Asociación Española Contra el Cáncer (AECC) in Madrid.