CASE #2: Yоu аre seeing а pаtient whо is has recently finished chemоtherapy and radiation treatment for cancer. They have not had a dental visit for two years and in completing your assessments, you are seeing several areas of decay. You take bitewing radiographs and two anterior periapical radiographs and determine that they have areas on the posterior proximal surfaces, at the margins of two crowns and fillings on #3 and #31, and on the proximal surfaces of #10 and #11. Use this information to answer the following questions: QUESTION: What classification would be assigned to the decay that you see on the posterior proximal surfaces?