The Oncology Nursing Society (ONS) Congress is the premier conference dedicated to oncology nursing professionals, providing a platform to learn about the latest advancements, connect with peers, and transform clinical practice. The 50th Annual ONS Congress was held from April 9–13, 2025, in Denver, Colorado.

This milestone event brought together thousands of oncology nurses and healthcare providers to celebrate five decades of progress in cancer care. Attendees had the opportunity to choose from more than 70 educational sessions across various tracks, including Clinical Practice, Advanced Practice, Management/Staff Education, Research, and Radiation.

Here are 10 Highlights from the Oncology Nursing Society’s X (formerly Twitter) account using the hashtag #ONSCongress:

1. Oncology Nursing Society

The 50th Annual #ONSCongress is officially here! Thousands of oncology nursing professionals have arrived in Denver, ready for five days of learning, networking, and celebration.

Oncology Nursing Society

2. Tina Mason

Four Moffitt Cancer Center nurses sharing their nursing research at #ONSCongress. First-time presenters making this mentor proud.

3. Jeremy Scott

We wrapped up another great ONCC board meeting in Denver ahead of Oncology Nursing Society 50th Annual Congress.

4. Darcy Burbage

Can’t make it to the 50th Annual Oncology Nursing Society Congress this week? No worries! Livestream opening ceremonies on 4/10 at 0930 EST at https://vimeo.com/1074297507 . I guarantee, you don’t want to miss this historic event.

5. Fred Hutchinson Cancer Center

Fred Hutch at Oncology Nursing Society #ONSCongress: Catch Sarah Kimbrough’s presentation “Innovating Nurse Educator Recruitment: Enhancing Interviews with Educational Demonstrations” at 3pm MDT today.

6. Moffitt Cancer Center

Join Alexa Lahera, BSN, RN, during #ONSCongress as she discusses a study aimed at reducing anxiety in women with breast cancer receiving first-line chemotherapy.

7. International Cardio-Oncology Society

Thanks to everyone that joined us at our #ONSCongress cocktail hour. It was great to connect with nurses from across the country. To learn more about our support for nurses.

8. Moffitt Cancer Center

Tomorrow at #ONS50, join Moffitt’s Chief Nursing Informatics Officer, Marc Perkins-Carrillo, as he explores ways to empower oncology nurses with #AI to improve patient outcomes.

9. Darcy Burbage

Say it isn’t so – The last full day of #ONSCongress! There’s still plenty of time to visit the exhibit hall, attend education & roundtable sessions, network and… get your dancing shoes ready- a celebration 50 years in the making starts at 7pm tonight!

10. Oncology Nursing Society

That’s a wrap for #ONSCongress! Thank you to all who attended for commemorating oncology nursing’s rich history and being a part of the future of cancer care. Save the date for next year’s ONS Congress happening May 13–17, 2026, in San Antonio, TX.

As the 50th ONS Congress wraps up, it leaves behind a legacy of innovation, collaboration, and inspiration in oncology nursing. From powerful sessions to meaningful connections, this milestone event celebrated five decades of progress and set the stage for the future.

Save the date: The 51st ONS Congress will be held May 13–17, 2026, in San Antonio, TX.
Stay tuned to ONSCongress and follow OncoDaily for ongoing highlights, interviews, and insights from the world of oncology nursing.

By: Md Foorquan Hashmi, MD, Sr. Editor, OncoDaily: India Bureau

10 Highlights not to miss from the 2025 Oncology Nursing Society (ONS) Congress