A patient presented with a 4 cm tumour in the left pariental lobe for which he underwent surgery and radiotherapy. After 2 months, he presented with headache and vomiting. Which of the following would best characterize the lesion in this patient?:
Gd-enhanced MRI 99T-HNIPAO SPECT brain Digital subtraction angiography with dual source CT scan 18EDG PET Scan