A 27-year-old man was diagnosed with a stage IIIAcT3N2M0 (7thUICC/AJCC) upper left lung adenocarcinoma harboring EML4-ALK fusion...Five months after SRS, the intracranial oligometastasis showed a complete response based on the RECIST 1.1 criteria...The patient’s overall survival (OS) time is currently 68 months.