Table 1

Demographic and clinical features of the probands

Probands with gastric cancer n=30*Probands with breast cancer n=54*Probands with other cancers n=7Probands with no cancer n=25
Average age at testing (SD)45 (17)54 (12)46 (14)46 (15)
 African American1613
 Ashkenazi Jew212
Average age at diagnosis (SD)42 (16)50 (12)41 (13)
Cancer type
 Lobular breast cancer26
 Ductal breast cancer18
 Mixed (lobular and ductal)3
 Diffuse/signet ring cell gastric cancer19
 Not provided96
  • *The three cases with gastric and breast cancers are included in both categories.