The longest life with a brain tumor depends on a variety of factors, including the type and location of the tumor, the age and general health of the patient, and the type of treatment they receive. Generally speaking, the survival rate for people with malignant brain tumors is lower than those with benign tumors.
In general, benign brain tumors are usually slow-growing and have a better prognosis than malignant tumors. For benign tumors, life expectancy can range from a few months to a few years, depending on the location of the tumor and how quickly it is growing.
Malignant tumors, on the other hand, are usually more aggressive and have a lower survival rate. Depending on the type of tumor, treatment, and the patient's age and general health, life expectancy can range from a few months to a few years.
In some cases, however, people with brain tumors have lived for much longer than the above estimates. For example, one person with a malignant brain tumor lived for more than 15 years after diagnosis. Another person with a benign brain tumor lived for more than 20 years before passing away.
Overall, the longest life with a brain tumor is largely dependent on the individual's type and location of the tumor, the type of treatment they receive, and their age and general health. In some cases, people have lived for many years beyond the average estimates for survival.