RT Journal Article SR Electronic T1 Minimal metastatic disease JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 21 OP 21 DO 10.1136/jcp.57.1.21 VO 57 IS 1 A1 M M Reid YR 2004 UL http://jcp.bmj.com/content/57/1/21.abstract AB