<img src="https://media.nu.nl/m/e7cxw34aw88r_sqr256.jpg/tumor-ontdekt-bij-nac-trainer-de-graaf-optimisme-over-herstel.jpg" /><br>A tumor was recently discovered at NAC Breda trainer Edwin de Graaf. The 41-year-old former footballer has already had surgery and is optimistic about his recovery. <hr>