Blood CEA levels for detecting recurrent colorectal cancer
Nicholson BD, Shinkins B, Pathiraja I, Roberts NW, James TJ, Mallett S, Perera R, Primrose, JN, Mant D
Objectives of this protocol paper: To determine the accuracy of single-measurement blood CEA as a triage test to prompt further investigation for CRC recurrence after curative resection. To identify sources of between- and within-study heterogeneity to inform potential subsequent analyses.