| AWTA | aniridia-Wilms tumor association |
|---|---|
| BET | benign epithelial tumor; bleeding esophageal varix; Brunauer-Emmet-Teller [method] |
| BMT | Bachelor of Medical Technology; basement membrane thickening; benign mesenchymal tumor; bone marrow ... |
| BTCG | Brain Tumor Cooperative Group |
| BTFS | breast tumor frozen section |