Left hemiparesis. Stroke?
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4 cm left occipital lobe enhancing mass with extensive perilesional edema causing effacement of the trigone of the lateral ventricle.
2.5 cm right frontal lobe rim enhancing mass with a necrotic center, with perilesional edema.
8 mm lesion peripherally in the right temporal lobe with minor perilesional edema.
The typical CT appearances of cerebral metastases. The degree of perilesional edema can vary greatly. Lung (as in this case with a known history) and breast cancer are two of the most common primary malignancies as a cause for cerebral metastases.