Researchers in Boston have identified differences in colon cancer tumor cells from younger patients, a finding that may help explain why the disease is often harder to treat in that group, according to reports from The Washington Post, The Boston Globe, WCVB and Medical Xpress.

The outlets report that the tumors in younger patients show distinct cellular and gene-activity patterns compared with those in older patients. The Washington Post described the development as clues emerging about why colon cancer may be more difficult to treat in young people.

The rise of colon cancer among younger people has been a persistent mystery, The Boston Globe reported. The new findings from the Boston researchers offer a possible lead, pointing to biological differences in how tumors in younger patients behave.

Medical Xpress characterized the discovery as evidence that colorectal cancer in younger patients displays its own cellular and gene-activity profile. KSL.com likewise reported that the researchers found differences in colon cancer tumor cells in younger patients.

The reports did not include further detail on the specific mechanisms involved or the size and design of the research. The findings were covered across several outlets on Sunday.

What to watch next: whether additional studies confirm these patterns and clarify how they might influence treatment decisions for younger colon cancer patients.