“…D-dimer concentration was measure by either immunoturbidimetric assay (ITM) or Latex Test with various cut-off values among those studies. Of all eligible studies, Fifteen studies reported on lung cancer [2, 3, 19-31], followed by colorectal cancer (n = 9) [9, 21, 32-38], gastric cancer (n = 5) [21, 39-42], pancreatic cancer (n = 5) [21, 43-46], ovarian cancer (n = 3) [47-49], esophageal cancer (n = 3) [50-52], cervical cancer (n = 2) [6, 7], renal cancer (n = 2) [21, 53], sarcoma cancer (n = 2) [54, 55], brain cancer (n = 2) [21, 56], endometrial cancer (n = 2) [57, 58], breast cancer (n = 1) [21], nasopharyngeal cancer (n = 1) [59], prostate cancer (n = 1) [21], malignant melanoma (n = 1) [60], cholangiocarcinoma (n = 1) [61] and hepatobiliary cancer (n = 1) [62]. Thirteen studies only chose non-metastatic cancer patients as research subjects while six studies only enrolled cancer metastatic patients.…”