Evaluation of response
• Endoscopy:
could not assessed intra-parietal tumor residual
• Echo-endoscopy
(Giovannini, Ital J Gastro, 1999)
Overestimation of residual tumour because of oedema
• CT –IV contrast
(Griffith, Br J Radiol, 1999) +++
• PET-scan
(Brucher, Ann Surg, 2001)
• Inflammation due to radiation




