A woman credits her dog with saving her life after his unusual behavior led to a breast cancer diagnosis. Chase Johnson, 36, noticed her dog, Ceto, a Labrador and retriever mix, started acting “anxious” and “whimpering” around her, but didn’t know the cause. A few weeks later, Chase said Ceto got “all worked up” and poked her left breast with his nose, and when it hurt, she felt her breast and found a lump. Chase went to her primary care provider, and after multiple appointments and a mammogram,