Tumor grade was examined as a categorical variable (well differentiated, moderately differentiated, and poorly differentiated).
Sixteen tumors were well differentiated, 33 were moderately differentiated, and 14 were poorly differentiated.
Of the 275 cases, 214 were highly differentiated, 58 were moderately differentiated, and 3 were poorly differentiated.
Twenty-seven patients had poorly differentiated, 74 moderately differentiated, and 9 well-differentiated NSCLC; the remaining 16 patients were unspecified.
In total, 30 cases were well differentiated, 83 moderately differentiated, and 21 poorly differentiated.
Tumors varied in their degree of differentiation with 67% characterized as well-differentiated, 25% as moderately differentiated and 8% as poorly differentiated.
Six percent of tumours were well differentiated, 37 % were moderately differentiated, and 13%% were poorly differentiated.
Among the adenocarcinoma cases, 90 were well-differentiated tumors, 130 were moderately differentiated, and 220 were poorly differentiated.
Of the 116 esophageal SCC, 31 were well differentiated, 56 were moderately differentiated, and 29 were poorly differentiated.
Among the 80 ACs, 27 were well differentiated, 25 were moderately differentiated, and 28 were poorly differentiated.
