| BAU/mL | Binding Antibody Units/Milliliter |
| BTKi | Bruton’s Tyrosine Kinase Inhibitor |
| CI | Confidence Interval |
| CLL | Chronic Lymphocytic Leukemia |
| COVID-19 | Coronavirus-Disease-19 |
| DLBCL | Diffuse Large B-Cell Lymphoma |
| EMA | European Medical Agencies |
| ENT | Ear–Nose–Throat |
| ICI | Immune Checkpoint Inhibitor |
| IMiD | Immunomodulatory Imide Drug |
| ITP | Immunthrombocytopenia |
| R-CHOP | Rituximab, Cyclophosphamide, Hydroxydaunorubicin, Oncovin, Prednisolone |
| SARS-CoV-2 | Severe Acute Respiratory Syndrome Coronavirus-2 |
| SCLC | Small Cell Lung Cancer |
| NSCLC | Non-Small Cell Lung Cancer |
| TKI | Tyrosine Kinase Inhibitor |