Symptoms of CNS cancers vary greatly between individuals. Even people with the same tumor types can have wildly different symptoms. General symptoms occur because a tumor is placing pressure on the CNS, and specific symptoms develop when a tumor affects the function of a part of the brain. By far, the most common symptoms are vomiting, nausea, and headaches that worsen in certain positions. Other general symptoms are slow speech, memory loss and other issues, loss of vision or hearing, back pain, seizures, and issues walking. Without treatment, CNS tumors continue to grow and damage the brain, becoming life-threatening.
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