Table 3.1: Rates of nodal metastases Metastatic nodes Metastatic nodes Non - mestastatic nodes Total n% n% n% Mediastinum 17 23.9 54 76.1 71 100 Abdomen 13 18.3 58 81.7 71 100 General nodal metastases 24 33.8 47 66.2 71 100 Comments: 24 patients (33.8%) with nodal metastases, of whom the mediastinal nodal metastasis rate is 23.9%, abdominal nodal metastasis rate is 18.3%.