| Dictionary Box—List of Clinical Terms, Taken from NIH NCI | |
| Progression-free survival (PFS) | the length of time during/after the treatment of a disease, that a patient life with the disease without it getting worse |
| Overall survival (OS) | the length of time from either the date of diagnosis or the start of the treatment of a disease that a patient with the disease is still alive |
| Response | an improvement related to a treatment |
| Complete response (CR) | the disappearance of all signs of cancer in response to a treatment |
| Partial response (PR) | a decrease in the size of a tumor, or in the extent of cancer in the body, in response to a treatment |
| Stable disease (SD) | cancer that is neither decreasing nor increasing in extent or severity |
| Progressive disease (PD) | cancer that is growing, spreading, or getting worse |
| Recommended phase II dose (RP2D) | usually the highest dose with acceptable toxicity, used in subsequent clinical trials. |