Table 4.

Clinical characteristics of SRCC patients

No	Age	Sex	Symptoms	CT Findings	Colonoscopic finding	Histology configuration	Diagnosis tool	Cancer stage	FU (m)	Survival
1	36	M	Abdominal fullness	Bowel wall thickening Length: from transverse to ascending colon	Incomplete study due to patient intolerance	not mentioned	Colonoscopy	T4bN2bM1c	9	Loss FU
2	74	M	Bloody stool	Bowel wall thickening with serosal invasion Length: 5.8 cm	A cauliflower-like tumor with central ulceration at ascending colon	Infiltrative	Colonoscopy	T4aN2bM1c	23	no
3	86	F	Colon obstruction	Bowel wall thickening Length: 6 cm	A cauliflower-like tumor at cecum	Ulcerative	Colonoscopy	T4aN2bM1a	1	Loss FU
4	28	F	Bloody stool	Not performed	An ulcerative tumor with easily bleeding at sigmoid colon	Ulcerative	Colonoscopy	T3N2bM0	13	no
5	45	F	Noted during hemorrhoidectomy	Semi-circumferential mass	Not performed	Ulcerative	Operation	T4N2bM0	19	Loss FU
6	14	M	Chronic diarrhea	Bowel wall thickening and ascites Length: 11.6 cm	Colon ulcers with lumen stenosis at sigmoid colon	Ulcerative	Colonoscopy	T4bN2bM1c	17	no
7	17	M	Bloody stool	Bowel wall thickening Length: 7 cm	Erosive and fragile mucosa with luminal stenosis at sigmoid colon	Infiltrative	Skin biopsy	T3N2bM1b	14	no
8	76	M	Bloody stool	Bowel wall thickening Length: 5.2 cm	Infiltrative tumor at rectum	Infiltrative	Operation	T3N0M0	37	no
9	61	M	Positive stool occult blood	Negative finding	A semi-annular tumor at sigmoid colon	Ulcerative	Colonoscopy	TisN0M0	100	yes
10	31	M	Abdominal fullness	Bowel wall thickening Length: 5.5 cm	Infiltrative tumor with lumen stenosis at descending colon	Infiltrative	Operation	T4aN2bM1c	44	Loss FU
11	76	M	Right lower limb edema	Bowel wall thickening Length: 5.2 cm	A circular ulcerative tumor at S-D junction	Exophytic	Abdominal LN biopsy	T3N2bM0	15	no
12	78	M	Constipation	Bowel wall thickening Length: 6 cm	An ulcerative tumor with luminal stenosis at sigmoid colon	Ulcerative	Colonoscopy	T3N2bM0	8	no
13	40	F	Abdominal fullness	Bowel wall thickening and regional LAP Length: 8.2 cm	A cauliflower like tumor with luminal obstruction at splenic flexure	Exophytic	Colonoscopy	T4bN2bM1c	10	no
14	39	M	Anemia	Bowel wall thickening Length: 6.9 cm	Chicken skin change and congestion of mucosa at hepatic flexure	Infiltrative	Peritoneal biopsy	T3N2aM1C	14	no
15	57	F	Anemia	Bowel wall thickening and regional LAP Length: 7.4 cm	Multiple lobulated tumors at sigmoid colon	Infiltrative	Colonoscopy	T3N2bM0	17	no
16	85	M	Colon perforation	Bowel wall thickening and pneumoperitoneum Length: 4.4 cm	Not performed. Ascending colon perforation	Ulcerative	Operation	T4aN1bM0	2	no
17	43	M	Incidental finding by CT	Intraluminal mass	Not performed	Exophytic	Operation	T3N1bM0	28	no
18	18	F	Colon obstruction	Bowel wall thickening and abscess Length: 6.8 cm	Erosive and fragile mucosa with lumen stenosis at transverse colon	Infiltrative	Operation	T4aN2bM1c	15	no

CT, Computed Tomography; LA P, Lymphadenopathy; FU, follow-up; m, month