。
My mother recovered from neuralgia.
Literal
Mother [topic-は] neuralgia [subject-が] completely-healed
神経痛 (しんけいつう) = neuralgia (nerve pain). 快癒する (かいゆ) = to fully recover/heal — a formal medical term. が marks the ailment as the grammatical subject of 'healed,' while the mother is the topic.