The Chiefs have placed Berry on the non-football illness list, ESPN.com reports.

The Chiefs have placed Berry on the non-football illness list, ESPN.com reports.

Analysis:

The report notes that a mass was discovered in Berry's chest following Thursday's game against Oakland. While Chiefs trainer Rick Burkholder relayed Monday that there has been no definitive diagnosis, the report indicates that it is believed that the leading possibility is that Berry may have lymphoma.