Table 1. Clinicopathological characteristics and outcome of patients with stage I anal canal squamous cell carcinoma treated with local excision alone (LE cohort).

Patient	Age at diagnosis (years)	Gender	Race	Tumor size (cm)	Reason for local excision alone	Recurrence	PFS (months)	OS (months)	Comment
1	36	F	W	0.1	Small size	No	138	138	Alive at the time of analysis
2	79	F	W	0.7	Co-morbidities	No	106	106	Expired from unrelated cause
3	56	M	W	0.6	Small size	No	108	108	Alive at the time of analysis
4	65	F	B	1.8	Co-morbidity	No	64	64	Subject had concomitant diagnosis of metastatic colon cancer. Alive at the time of analysis
5	81	F	W	1.0	Small size	No	106	106	Expired from unrelated cause
6	71	F	W	0.2	Small size	No	180	180	Expired from unrelated cause
7	63	F	W	0.8	Small size	No	60	60	Alive at the time of analysis
8	51	F	W	0.2	Small size	No	97	97	Alive at the time of analysis
9	64	F	W	0.2	Small size	Yes	21	123	Salvaged with CRT. Alive at the time of analysis
10	89	F	W	1.2	Co-morbidity	No	14	14	Alive at the time of analysis
11	64	F	W	0.1, 2 foci	Small size	No	60	60	Alive at the time of analysis
12	56	F	W	0.7	Small size	No	161	161	Alive at the time of analysis
13	58	F	W	0.3	Small size	Yes	97	264	Salvaged with CRT. Alive at the time of analysis

M, male; F, female; W, White; B, Black; PFS, progression free survival; OS, overall survival; CRT, chemoradiation.