if we develop a concerning symptom. >> doctor catherine van loon, oncologist at ucsf. thank you so much. >> thanks for having me. >> and as we have this important conversation about cancer this month is actually colon cancer awareness month coming up on abc seven news at four. we'll shed light on a new blood test for colon cancer screening that doctors say is showing promise for the hope of an earlier diagnosis. abc seven news reporter lyanne melendez will have that story at four. coming up on this program, oakland has finally named its next police chief. 401 days after the firing of loooooong armstrong, the man chosen to fill that position and the changes he could bring to the city. more on t are living in the moment and taking ibrance. ibrance with an aromatase inhibitor is for adults with hr positive, her2 negative metastatic breast cancer as the first hormonal based therapy. ibrance plus letrozole significantly delayed disease progression versus letrozole. ibrance may cause low white blood cell counts that may lead to serious infections. ibrance may cause severe in