"The flame sign has been described as a helpful MRI sign of spinal cord metastases, enabling them to be distinguished from other enhancing spinal cord lesions (e.g. ependymoma, astrocytoma and haemangioblastoma) 1."
Line 1:187·An e.g. list gives selected examples, so it should not end with 'and' or 'or': 'e.g. ependymoma, astrocytoma and'.