Table 2. For CCL20, indicates the number of slides that were allocated to each staining category according to disease stage.

CCL20	0–25%	25–50%	50–75%	75–100%
Stage I	6	2	5	19
Stage II	1	0	2	6
Stage III	2	0	2	4
Total	9	2	9	29

Samples were divided into four categories according to percent of tumor cells staining positive: 1. 0–25% of tumor cells stained positive, 2. 25–50% of tumor cells stained positive, 3. 50–75% of tumor cells stained positive, 4. 75–100% of tumor cells stained positive.