Term: stage IA non-small cell lung cancer Pronunciation: (... sel lung KAN-ser) May 24, 2024October 7, 2025 Description: Stage I non-small cell lung cancer is divided into stages IA and IB. In stage IA, the tumor is in the lung only and is 3 centimeters or smaller. Cancer has not spread to the lymph nodes. Related Posts:Perioperative Pembrolizumab for Early Stage Non…Lobar or Sublobar Resection for Peripheral Stage IA…SBRT Superior to Standard Radiotherapy in Stage I…Lobectomy Superior to Sublobar Resection in Early…ASCO Clinical Practice Guideline Update for Stage IV…FDA Approves Perioperative KEYTRUDA® for Resectable…