Line 2:1·"Related pathology" is not a recognised heading for this article type.
Inline EG
suggestion
"NAA is reduced in any process that destroys neurones, such as high-grade tumours, radionecrosis, non-neuronal tumours (e.g. cerebral metastases and primary CNS lymphoma)."
Line 3:136·Consider replacing a bracketed e.g. with an inline e.g. after a comma.