Which Patients Need an Axillary Clearance after Sentinel Node Biopsy?

Table 2

Incidence and prognostic impact of ITCs in sentinel node biopsies.

Author	Total	ITC (%)	Outcome
Herbert et al. [37]	514	16 (3%)	No effect
Reed et al. [38]	1255	25 (2%)	No effect
De Boer et al. [39]	2707	819	HR 1.5 (No adjuvant versus adjuvant)
Barbosa et al. [40]	1000	43 (4%)	No effect
Andersson et al. [41]	3369	107 (3%)	No effect
Leidenius et al. [42]	1390	63 (5%)	Reduced 5-year survival
Maaskant-Braat et al. [43]	6803	126 (2%)	No effect