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Watch & Wait Approach
Definition of cCR:
Downsizing with no residual
tumour
Residual fibrosis only
Residual mural oedema
No suspicious lymph nodes
Negative tumour biopsy
Year Endoscopy MRI
CT
1
4x
4x
2x
2
2x
2x
1x
3
2x
2x
1x
4
2x
2x
1x
5
2x
2x
1x
cCR, n=21
Maas M et al. J Clin Oncol 2011; 29:
4633-40
MRI DWI - negative