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Table 3 Expected and observed pathologic results from < 4 cm, 4–6 cm, and ≥ 6 cm adrenal masses (p = 0.035)

From: Diagnostic dilemmas: a multi-institutional retrospective analysis of adrenal incidentaloma pathology based on radiographic size

   Size Total
Less than 4 cm 4–6 cm 6 cm or greater
Pathology      
Adrenocortical carcinoma Count 0 0 3 3
Expected count 1.2 1.0 0.9 3.0
Renal cell carcinoma Count 0 0 1 1
Expected count 0.4 0.3 0.3 1.0
Adrenal adenoma Count 28 22 15 65
Expected count 24.9 21.4 18.7 65.0
Metastasis Count 0 2 2 4
Expected count 1.5 1.3 1.2 4.0
Total Count 28 24 21 73
Expected count 28.0 24.0 21.0 73.0