American Association for Cancer Research

Table 2

Epigenetic markers for the detection of lung cancer cells in the serum

Gene aberrantly methylated	Occurrence in tumor, no./total no. (%)	Serum positive, no./total no. (%)
p16	9/22 (41)	3/9 (33)
DAP kinase	5/22 (23)	4/5 (80)
GSTP1	2/22 (9)	1/2 (50)
MGMT	6/22 (27)	4/6 (66)

Gene aberrantly methylated	Occurrence in tumor, no./total no. (%)	Serum positive, no./total no. (%)
p16	9/22 (41)	3/9 (33)
DAP kinase	5/22 (23)	4/5 (80)
GSTP1	2/22 (9)	1/2 (50)
MGMT	6/22 (27)	4/6 (66)