Table 1.

Summary of LongSAGE Data.

(A)
Library	Total Reads	Total Tags
18964 node-	162,576	170,372
29271 node+	189,367	195,452
Combined	351,943	365,824

(B)
Fold Differential Expression	No. of Tags Elevated in Node-Positive	No. of Tags Elevated in Node-Negative
50	12	22
25	6	74
10	644	505
5	3876	2659

Tumor no. 18964 (node-negative) and tumor no. 29271 (node-positive) were sequenced to a depth of 365,824 total tags. To minimize sequencing errors, only tags that were observed two or more times were counted.