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In your query, you have not mentioned the symptoms of the patient.
1. As per the attached reports (the attachments are removed to proect the patient's identity) of CT (computed tomography) or MRI (magnetic resonance imaging) brain - there are multiple lesions on the right side of the brain, which seem to be metastasis (possibly some cancer spread in the brain).
2. One possibility may be primary brain cancer.
3. If there are no other organ symptoms, PET (positron emission tomography) scans of the whole body may be thought to look for the primary cancer site in the body.
4. If some other body parts suspected of tumor or cancer be there or some accessible lesion in another body part is found, you can take a biopsy from that body part.
5. If no lesion is found in another body part, you can consider taking a biopsy or excision from the brain in consultation with a neurosurgeon.
6. Once tumor or cancer typing is made the next treatment (chemotherapy and/or radiotherapy will be based on biopsy findings).
7. In this situation, it is not advisable to decide about medicines by just seeing the MRI or CT report on chat consultation.
I suggest you take a whole-body PET scan and plan a consultation with a neurosurgeon. A physical consultation would be good.
Chat or online consultation can only give a direct suggestion in this situation.
By attachments, it seems the patient is already under supportive medical treatment from a nearby doctor.