Synchronous and metachronous liver metastases in patients with colorectal cancer—towards a clinically relevant definition

Table 2 The number of patients with liver metastases classified as synchronous vs. metachronous according to the different defining time points.

Time point	Synchronous			Metachronous
Time point	Total	Resected	Non-resected	Total	Resected	Non-resected
Primary tumour diagnosis/surgery	155	26	129	117	39	78
Three months post-primary tumour diagnosis/surgery	174	29	145	98	36	62
Six months post-primary tumour diagnosis/surgery	186	34	152	86	31	55
Twelve months post-primary tumour diagnosis/surgery	207	39	168	65	26	39

ISSN: 1477-7819