stage IB non-small cell lung cancer

{
  "id": "MLC-T-ONC-008059",
  "term": "stage IB non-small cell lung cancer",
  "field": "Oncology and biomedicine",
  "definition": "Stage I non-small cell lung cancer is divided into stages IA and IB. In stage IB, the tumor is larger than 3 centimeters but not larger than 4 centimeters. Cancer has not spread to the lymph nodes; OR the tumor is 4 centimeters or smaller and one or more of the following is found: (1) cancer has spread to the main bronchus, but has not spread to the carina; and/or (2) cancer has spread to the innermost layer of the membrane that covers the lung; and/or (3) cancer has spread to a lobe next to the lobe with the primary tumor; and/or (4) part of the lung or the whole lung has collapsed or has developed pneumonitis. Cancer has not spread to the lymph nodes.",
  "references": [
    "NCI Dictionary of Cancer Terms"
  ],
  "url": "https://mlchart.com/terminology/oncology/stage-ib-non-small-cell-lung-cancer/"
}