Assertion: egfr positive lung cancer | /r/HasAspect | brain metastases
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text: One medication currently being studied in clinical trials, AZD3759, was designed to penetrate through the blood-brain barrier, and it's hoped that this drug, or others being evaluated, may help those with EGFR mutation positive lung cancer who also have brain metastases or leptomeningeal disease.﻿﻿