Figure 6. Foxp3+ cell density pre and post-CRT.

Patients with available data at both biopsy and resection (n = 103) were divided into four groups based on the density of Foxp3⁺ cells in the pre-treatment biopsy sample and in the stroma at resection (high versus low, split at the median value). The frequency A. and percentage (A) and B. of patients in each group by Dworak grade.