Primary Colorectal Adenocarcinoma Metastatic to the Breast: Case Report and Review of Nineteen Cases

Table 1

Colorectal carcinoma metastatic to the breast: summary of cases.

Reference	Sex	Age at CRC diagnosis	Primary colorectal carcinoma			Breast metastases
			Interval between CRC and breast metastasis (years)	Location	Duke stage at presentation	Laterality	Location	Size(s) (cm)
Current report	F	39	7	Colon	A	Left	UOQ	11
[1]	F	68	1	Rectum	C1	Left	UOQ	n/a
[2]	F	42	0.5	Colon	n/a	Right	UQ	3
[3]	F	36	0.4	Rectum	n/a	Left	UOQ	6
[4]	F	77	0.25	Colon	C2	Left	UOQ	2
[5]	F	32	0.8	Rectum	n/a	Left	n/a	4
[6]	F	86	Concurrent	Colon	B	Right	UOQ	2
[7]	F	36	4	Colon	C	Left	UOQ	4
[8]	F	83	Concurrent	Colon	n/a	Left	n/a	n/a
[9]	F	48	5	Rectum	B	Left	LIQ	1
[10]	F	35	1	Colon	n/a	Bilateral	n/a	n/a
[11]	F	42	Concurrent	Colon	n/a	Right	UOQ/LOQ	n/a
[12]	F	43	Within weeks	Colon	D	Right	UOQ	4.5
[13]	F	43	2	Rectum	C	Bilateral	n/a	2 & 2.2
[13]	F	74	0.1	Colon	C	Bilateral	n/a	4 & 6
[14]	M	44	6	Colon	D	Right	n/a	1.5
[15]	M	66	1	Colon	B	Left	n/a	3
[16]	M	66	2.0	Colon	n/a	Left	Retroareolar	2.2
[17]	n/a	58.5	0.5	Colon	n/a	Left	n/a	3
[17]	n/a	66	2.0	Colon	n/a	Right	n/a	4