Table 3. Oncologic outcomes following synchronous and staged resections.

Study [Year]	N	Overall Survival (median months)	Disease-free Survival (median months)
Vogt [1991]	Synch: 19 Staged: 17	Synch: 18 Staged: 31	Synch: 7 Staged: 19
Tanaka [2004]	Synch: 39 Staged: 37	Synch: 1 year: 86% 3 year: 68% 5 year: 53% Staged: 1 year: 83% 3 year: 47% 5 year: 47%	Synch: 1 year: 64% 3 year: 20% 5 year: 16% Staged: 1 year: 51% 3 year: 34.5% 5 year: 28%
Thelen [2007]	Synch: 40 Staged: 179	Synch: 1 year: 86% 5 year: 53% 10 year: 32% Staged: 1 year: 90% 5 year: 39% 10 year: 26%	Site(s) of recurrence did not differ between Synch and Staged
Moug [2010]	Synch: 32 Staged: 32	Synch: 39 Staged: 42	Synch: 10 Staged: 14
Brouquet [2010]	Synch: 43 Staged: Colon-Liver: 72 Liver-Colon: 27	Synch: 95 5 year: 55% Staged: Colon-Liver: 55 5 year: 48% Liver-Colon: 50 5 year: 39%	Synch: 11 5 year: 55% Staged: Colon-Liver: 11 5 year: 48% Liver-Colon: 11 5 year: 39%

Synch: synchronous resection of colorectal primary and hepatic metastasis.