Table 1.
B. burgdorferi-positive breast cancer samples and normal breast tissues according to the pathology of tissue
| Type of Tissue | Percentage of B. burgdorferi sensu stricto positive samples (%) |
| Invasive ductal carcinoma (350) | 20 |
| Invasive lobular carcinoma (32) | 19 |
| Intraductal carcinoma (22) | 14 |
| Normal breast tissues (29) | 0 |