Answer:
a tumor is a growth of abnormal cells in the brain tissue, in this case they are malignant cancer cells since their growth is very fast, some are primary that start directly in the brain and other metastatic that start in another part of the body, in the case of Mister AH always had primary symptoms.
Tumors in the brain can show various symptoms. These are some of the most common:
Headaches, usually in the morning
Nausea and vomiting
Changes in the ability to speak, hear or see
Balance or walking problems
Problems with thinking or memory
Weakness or longing to sleep
Changes in mood or behavior
Seizures
tumors can destroy brain cells which can cause inflammation and damage to parts of the body depending on where in the brain this is exerted, this also aggravates the symptoms.
Radiation therapy used to treat brain cancers increases the risk of brain tumors up to 20 to 30 years later.
In this case, he was causing this same reaction to Mr. AH, which may also have another type of tumor such as
Meningiomas and schwanomas are two other types of brain tumor. These tumors:
They occur in most cases between the ages of 40 and 70.
They are not usually cancerous, but they can still cause serious complications and death due to their size or location. Some are cancerous and aggressive.