| AI | Artificial Intelligence |
| CI | Confidence Interval |
| CTCAE | Common Terminology Criteria for Adverse Events |
| ePRO | Electronic Patient-Reported Outcome |
| EQ-5D-5L | EuroQol 5-Dimension 5-Level Questionnaire |
| HER2 | Human Epidermal Growth Factor Receptor 2 |
| ICD | International Classification of Disease |
| PRO | Patient-Reported Outcome |
| QoL | Quality of Life |
| REML | Restricted Maximum Likelihood |
| SD | Standard Deviation |
| VAS | Visual Analogue Scale |
| ECOG PS | Eastern Cooperative Oncology Group Performance Status. |