this this is a new clinical trial where nearly 1,000 patients with stage three or stage for hodgkin lymphomaey were divided into two groups. one group was treated with the immunotherapy approach. they were given the immunotherapy drug nivolumab plus three standard chemotherapies the other group was given an antibody drug plus those same chemotherapies, the researchers found that after two years 92% of the patients in the immunotherapy group did not relapse did not see the cancer progress, and they did not die from the disease that's compared with and the other group at 83% of patients experienced those same outcomes. here's how the lead researcher, dr. jonathan freed berg describes these salts were curing substantially more patients with this regimen and in addition, the regimen was less toxic than the previous regimen so this suggests that nivolumab, when it's paired with chemotherapy, it can become a standard treatment for hodgkin lymphoma. it's a drug that's already fda approved but for some other cancer types and we're hearing that some doctors already use it off label for their hodgkin

the 24-year-old was diagnosed with late stage hodgkin lymphoma last december after appearing in ten gamesdemeco ryans shared this about him. >> for dylan to be back with everything he's gone through, battling cancer and to see him back on the field after almost an entire year of missing football, man, attacking it with the right mindset, a positive attitude. really goes a long way and dylan represents that and we're all very thankful and happy to have him back. >> horton's story is an inspiration to us all about the audibles life calls along the way and our ability to persevere. cancer-free and back on the roster. thanks so much for watching tonight. i'm linsey davis. david muir back here tomorrow. have a great night. alfonso: hi, i'm alfonso ribeiro. grab your cameras because we're venturing into an incredible world of national parks. today on "jack hanna's passport," jack goes bird watching at lake manyara national park. jack: wow, look at that, jack.