Table 4

Patients clinical stage and correlation with cytokeratin-positive (CK+) cell detection in bone marrow and peripheral blood in 114 patients

114 patientsNo. of patientsCK+ in bone marrow (%)CK+ in peripheral blood (%)
Stage I/II3913 (33)3 (7.6)
Stage III3624 (66)9 (25)
Stage IV3930 (77)16 (41)
P = 0.001P = 0.017