There is a new trial with an immunotherapy drug dostarlimab, drug maker GSK, trial performed at Memorial Sloan Kettering Cancer- instead of using standard treatment, chemo, radiation, surgery, it proved to be successful with getting rid of tumors-
https://www.nejm.org/doi/full/10.1056/NEJMoa2404512
from a New York Times article, 4/27/2025:
"It is approved as a treatment for uterine cancers with mismatch repair mutations and is included in clinical guidelines for the treatment of rectal cancer, based on an earlier small study."

the article may be behind a paywall/subscribers
https://www.nytimes.com/2025/04/27/health/cancer-immunotherapy-solid-tumors.html