By Katie Kerwin McCrimmon Donations for breast cancer took at hit in Colorado last year and the public battle between national Komen leaders and Planned Parenthood could further reduce fundraising this year, leaving breast cancer survivors without critical help. Already groups like Sense of Security, a small Denver nonprofit that serves low-income breast cancer patients throughout Colorado, have lost thousands of dollars. Sense of Security did not receive funding this year from the Denver affiliate of Susan G. Komen for the Cure, leaving a $60,000 gap in its $400,000 annual budget. Another nonprofit, Rocky Mountain Cancer Assistance, lost $70,000 of its $425,000 annual budget…