A critical review of the chest CT scans performed to detect asymptomatic synchronous metastasis in new and recurrent breast cancers

Table 3 Results of CTC in each clinical stage

Clinical stage	Total number in the study (%)	Number scanned (%)*	True positive (yield %)	False positive (FPR %)	Number needed to scan
EBC	499 (69)	200 (40)	4 (2)	22 (11)	50
ABC	98 (14)	93 (95)	8 (9)	11 (12)	12
RBC	56 (8)	36 (64)	2 (6)	1 (3)	18
Others^#	73 (10)	6 (2)	0	1	–

EBC early breast cancer, ABC advanced breast cancer, RBC recurrent breast cancer, FPR false-positive rate
*Percentage of cases with CTC from the total number of cases at each clinical stage in the study cohort
^#Others composed of in situ disease, phyllodes tumor breast sarcoma, and cases where no invasive disease was seen on final histology

ISSN: 1477-7819