Skip to main content

Table 3 Pathologic diagnoses

From: Surgical resection of nodular ground-glass opacities without percutaneous needle aspiration or biopsy

Malignant (n =314) No. %
Adenocarcinoma in situ 38 12.1
Minimally invasive adenocarcinoma 63 20.1
Invasive adenocarcinoma   
  Lepidic predominant 33 10.5
  Acinar predominant 115 36.6
  Papillary predominant 52 16.6
  Micropapillary predominant 1 0.32
  Solid predominant 2 0.64
Variants   
  Mucinous adenocarcinoma 9 2.9
  Enteric 1 0.32
Benign (n =16) No. %
Focal interstitial fibrosis 5 31.3
Atypical adenomatous hyperplasia 4 25.0
Subpleural fibrosis 3 18.8
Respiratory bronchiolitis with fibrosis and lymphocytic infiltration 1 6.3
Heavy lymphoplasma cell infiltration 1 6.3
Pulmonary lymphomatoid granulomatosis 1 6.3
Anthracofibrotic nodule with reactive pneumocytes 1 6.3