| Diagnosis |
Number of cases |
| I. Benign |
70 |
| Granulomatous inflammation |
10 |
| Organizing pneumonia |
10 |
| Fungal infection |
3 |
| Acid fast bacilli infection |
1 |
| Amyloidoma |
1 |
| Lung elastosis |
1 |
| Nonspecific |
44 |
| II. Malignant |
132 |
| Squamous cell carcinoma |
25 |
| Adenocarcinoma |
40 |
| NSCLS with both adeno and squamous components |
10 |
| NSCLS, favor adenocarcinoma |
7 |
| NSCLS, favor squamous |
3 |
| NSCLS, NOS |
2 |
| Small cell carcinoma or neuroendocrine |
11 |
| Metastatic carcinoma |
26 |
| Metastatic melanoma |
2 |
| Metastatic sarcoma |
2 |
| Malignant spindle cell neoplasm |
1 |
| Mesothelioma |
1 |
| B-cell lymphoma |
1 |
| Thymoma |
1 |
| III. Atypical |
13 |
|
