Brain Cancer Diagnosis Market is Segmented by Type (Imaging Test, Biopsy, Lumber Puncture, Molecular Testing, Electroencephalography, Others) by Cancer Type (Acoustic Neuroma, Astrocytomas, Glioblastoma Multiforme, Meningiomas, Oligodendroglioma, Others) by Age Group (Below 21, 21-34, 35-65, 65 and Above) and by End User (Hospitals, Specialty Clinics, Diagnostic Centers & Research Institutes, Ambulatory Surgical Centers, Others)