She said the musician's manager, Tom Vitorino, confirmed Manzarek died after being stricken with bile duct cancer.

NPR: Manzarek, Founding Member Of The Doors, Dies At 74

The findings help explain a puzzle: why the incidence of bile duct cancer is higher in people with hepatitis.

FORBES: Cells Get a Makeover, Cancer Follows: A Path to New Therapies (and a Warning to Stem Cell Alchemists)

Instead, some of the mice developed a tumor known as bile duct cancer.

FORBES: Cells Get a Makeover, Cancer Follows: A Path to New Therapies (and a Warning to Stem Cell Alchemists)

Manzarek, who had battled bile duct cancer for many years, died in a clinic in Rosenheim, Germany, with his wife and brothers at his bedside.

BBC: Doors co-founder Ray Manzarek dies at 74 in Germany

Amaranth Cline, 70, in treatment for bile-duct cancer at Mount Sinai, says she learned of Image Share from the medical library there when she requested a copy of her scans.

WSJ: Image Share Program Seeks to Cut Down on Repeat Medical Scans