Case 1: An 86-year-old man was diagnosed with large cell or squamous cell lung cancer of clinical Stage II A.He was administered nanoparticle albumin-bound paclitaxel(nab-PTX)as fourth-line chemotherapy after monochemotherapy with docetaxel, vinorelbine, and S-1.The patient continues to show complete remission at the 15 courses of nab-PTX.Case 2: A 79-year-old man underwent partial resection of the right lower lung, and the pathological diagnosis was large cell lung cancer of pStage I A.However, recurrence in the right lung and multiple lymph node metastases were identified 3 years after the surgery.He was administered nab-PTX as second-line chemotherapy after vinorelbine monotherapy, and he has shown complete remission for a year.Weekly intravenous nab-PTX may be useful in elderly patients with non-small-cell lung cancer.