Lobular hyperplasia cancerous situation is as follows: 1. Ordinary hyperplasia: manifested as cysts, the chance of cancerous transformation in this case is very small, according to the statistics, this is about below 1 per thousand; 2. Atypical hyperplasia: as a pre-cancerous lesion, the cancerous transformation rate is higher, which is 3-5 times of the normal people. Overall speaking, the cancer rate of breast lobular hyperplasia is about 3%. Therefore, patients with breast hyperplasia must go to the hospital for regular checkups. Lobular hyperplasia is most common in young, middle-aged and elderly people, and is usually found in middle-aged women.