From WTAE TV Channel 4 in Pittsburgh:

[Pennsylvania] Lieutenant Governor Catherine Baker Knoll has died.

The 78-year-old was being treated in Baltimore for neuroendocrine cancer.She was diagnosed in July.Baker Knoll was released from the hospital on Nov. 6.She said then she had entered a physical therapy program to deal with an infection that slowed down her recovery.She also said she intended to return to her duties.

The news is out of Harrisburg, PA.