OBP reads like batting average, but because it incorporates walks, OBPs are about 60 points higher on average. So the equivalent of a .300 hitter should have a .360 OBP or so. Getting on base is an important skill, so you want to use OBP to determine if the player in question is a good offensive performer.
Primary brain tumors are those that arise within the brain itself, unlike metastatic tumors that travel to the brain from a distant site. The most common types of primary brain tumors in adults are gliomas, glioblastomas, and lymphomas.
A brain tumor is an abnormal growth of tissue in the brain. If the tumor originates in the brain, it is called a primary brain tumor. Primary brain tumors can be benign or malignant. Benign brain tumors. Benign brain tumors are not cancerous.They grow slowly, have distinct borders and rarely spread. Benign tumors can still be dangerous, though. They can damage and compress normal parts of the brain, causing severe dysfunction.enign brain tumors are not cancerous. They grow slowly, have distinct borders and rarely spread. Benign tumors can still be dangerous, though. They can damage and compress normal parts of the brain, causing severe dysfunction.