Joyce Slocum, TPR's president and CEO, was hospitalized this week due to complications from colon cancer.
In a statement on Thursday, TPR and Slocum's family added that she has transitioned to hospice care.
"TPR must share the difficult news that President & CEO, Joyce Slocum, was hospitalized this weekend due to complications from a recurrence of her colon cancer, and has now transitioned to hospice care," the statement read. "Her family and the TPR staff are grateful for the outpouring of support and love for Joyce."
TPR's statement added that the nonprofit's board of directors named Vice President of Development Rebecca Caven as the interim CEO.
Slocum, 66, joined NPR in 2008. In 2011, she led the network for nine months as interim CEO and president. She joined TPR in 2014.