Study of Anlotinib Combined With Osimertinib as Second-line Treatment in Stage IIIb-IV NSCLC With Confirmed EGFRm and T790M

"Anlotinib：12mg/capsule, take once when limosis in the morning. If patients suffer from AEs, they can get declined dosage (10mg or 8mg).~Osimertinib：80 mg/tablet， per os (p.o.) daily. It should be continued until disease progression or intolerable toxicity or patients withdraw of consent."