You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Van Nuys prognostic indicator for DCIS does not include which of the following parameter? and explain in detail?
Ans. (c) Type of DCIS(Ref: Sterenberg diagnostic surgical pathology 5th ed p 312)The Van Nuys Prognostic Index (VNPI) classifies patients with DCIS to guide decisions on the best treatment option. The index uses patient age, tumour size, tumour growth patterns (histological grade) and the amount of healthy tissue surrounding the tumour after removal (resection margin width) to predict the risk of cancer returning.