Human colorectal cancer cells frequently express IgG and display unique Ig repertoire

Table 1 Clinical information of 7 patients with colon cancer

ID	Sex	Age	Clinical diagnosis	Tumor size (cm)	Differentiation	Vascular invasion	LNM	Distant metastasis	TMN	Histological type	MLH1	MSH2	MSH6	PMS2
1	F	77	Horizontal colon cancer	5.2 × 4.9	Moderately and poorly differentiated	+	0	N/A	T4aN0M0	Adenocarcinoma	N/A	N/A	N/A	N/A
2	F	63	Sigmoid colon cancer	N/A	Poorly differentiated	N/A	N/A	N/A	T3aN1bM0	Adenocarcinoma	N/A	N/A	N/A	N/A
3	M	77	Right-sided colon cancer	3 × 3	Moderately differentiated	N/A	0	N/A	T4aN0M0	Adenocarcinoma	+	+	+	-
4	F	52	Right-sided colon cancer	4 × 2.5	Well differentiated	N/A	0	N/A	TisN0M0	Adenocarcinoma	+	+	+	±
5	M	61	Colon cancer	2.8 × 1.8	Moderately differentiated	+	1/12	Sacrum metastasis	T4N1M1	Adenocarcinoma	+	+	+	±
6	M	74	Right-sided colon cancer	12 × 9 × 7	N/A	+	15/17	N/A	T4N3M1	Adenocarcinoma	+	+	+	+
7	M	89	Right-sided colon cancer	8.5 × 5	Moderately differentiated	N/A	0	Small bowel metastasis	T4bN0M0	Adenocarcinoma	±	±	±	±