Table 1.

Patient demographics

Patients characteristicsTotal number of patients (n = 28)
Median age at diagnosis (years)64.46
Gender
 Male18 (64%)
 Female10 (36%)
Type of cancer
 Lung cancer14 (50%)
 GI cancer14 (50%)
Median time between tissue biopsy and blood specimen collection9.7 months
Metastatic sites
 Liver7
 Lymph node3
 Brain2
 Bone1
 Unknown6