Table 1.

Patients’ Characteristics

Case No.	Sex	Age (y)	Other Malignancy	Interval Between Detection of the Tumors
1	F	64	Gingival ca.	1 y 8 mo
2	M	79	Pharyngeal ca.	4 y 3 mo
3	M	57	Choriocarcinoma	Synchronous
4	M	70	Pharyngeal ca./esophageal ca.	13 y 0 mo/3 y 3 mo
5	M	65	Esophageal ca.	1 y 2 mo
6	M	65	Gastric ca.	2 y 6 mo
7	Ｍ	78	Gastric ca.	Synchronous
8	Ｍ	66	Gastric ca.	Synchronous
9	M	73	Pancreatic ca.	2 y 4 mo
10	F	75	Colorectal ca.	Synchronous
11	F	75	Colorectal ca.	Synchronous
12	M	77	Colorectal ca.	1 y 0 mo
13	M	45	Colorectal ca.	1 y 0 mo
14	M	49	Colorectal ca.	5 y 0 mo
15	F	72	Colorectal ca.	Synchronous
16	M	72	Colorectal ca.	Synchronous
17	M	72	Colorectal ca.	Synchronous
18	M	60	Colorectal ca.	Synchronous
19	M	83	Colorectal ca.	1 y 6 mo
20	M	83	Colorectal ca.	1 y 6 mo
21	F	69	Colorectal ca.	6 mo
22	F	54	Colorectal ca.	6 mo
23	F	64	Cervical ca.	2 y 9 mo
24	M	70	Urothelial ca.	2 y 5 mo

ca., cancer; F, female; M, male.