<prompt>  A lady presented with a 4 cm tumor in the left parietal lobe for which she underwent surgery and radiotherapy. After 3 months she presented with headache and vomiting. Which of the following would characterise the lesion in the patient?Gd-enhanced MRI99Tc-HMPAO SPECT braincDigital substraction angiography with dual source of ST scand18FDG PET Scan 