Table 1 Characteristics

From: KRAS mutations in primary tumours and post-FOLFOX metastatic lesions in cases of colorectal cancer

Patient characteristics

Number

Sex (female/male)

8/13

Median age (range)

64 (36–75) years

Primary tumour site

 Colon

8

 Rectum

13

Histopathological type of primary site

 Well-differentiated adenocarcinoma

5

 Moderately differentiated adenocarcinoma

14

 Mucinous adenocarcinoma

2

Stage before initial operation

 III

12

 IV (synchronous metastases)

9

Tumour site characteristics

Metastases

 Pre-FOLFOX

18

Synchronous

12

Metachronous

6

 Post-FOLFOX

24

Sites of metastases

 Pre-FOLFOX

 

Liver

11

Lung

5

Local recurrence

1

Subcutaneous

1

 Post-FOLFOX

 

Liver

6

Lung

14

Local recurrence

3

Lymph node

1