Sir mere relatives ke brain me benign tumer tha aur aiims ke doctars ne 2014 me surgery ke dwara use hata diya tha but 2016 me vo tumer usi jagah phir ho gaya hai sir batay ye kya hai jabki 2014 me biopsy report negative aayi thi abhi 2 month baad operation hoga sir ye batay ki ye tumer recurrent kyo hua kya benign brain tumer recurrent hote hai.
Some part of tumor which is too small to be picked up by current image techniques may remain residue which can grow over a period of time. Such things do happen. Initially benign may turn malignant next time. Its all luck.
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