Jensen Karp feels “so proud” of Danielle Fishel after she went public with her breast cancer diagnosis. The 43-year-old actress – who is best known for playing Topanga Lawrence on the teen sitcom ‘Boy Meets World’ – recently revealed that she’s been diagnosed with “a form of breast cancer”, and Jensen, her husband, has now taken to social media to voice his support for Danielle. He wrote on Instagram: “I’m so proud of @daniellefishel for using her platform to raise awareness. We can’t miss appointments and we need to get checked (sic)” Jensen also hailed Danielle’s strength of character. He sa…