Table 1.

Characteristics of the five HLA-A2-positive patients from whom peripheral blood and tumor-draining lymph node samples were obtained

Patient no.AgeHistologyVascular invasionLymph node involvementER statusPR statusHLA-A2 subtype
165Grade 2 lobular carcinoma with widespread LCISNo0 of 12 lymph nodes involvedNDNDA*0202
260Grade 1 invasive ductal carcinomaNo0 of 5 lymph nodes involved+3+3A*0211
366Grade 2 invasive ductal carcinoma with extensive high grade DCISYes18 of 21 lymph nodes involvedNegativeNegativeA*0201
465Multifocal grade 3 invasive ductal carcinoma with extensive high-grade DCISNo0 of 15 lymph nodes involvedNegativeNegativeA*0201
585Grade 2 invasive ductal carcinoma with high grade DCISYes3 of 16 lymph nodes involved+2+2A*0201
  • Abbreviations: ER, estrogen receptor; PR, progesterone receptor; ND, not done; LCIS, lobular carcinoma in situ; DCIS, ductal carcinoma in situ.