Table 2.

Pathology of all participants with an FDG-PET scan

Malignancy	N (%)
Adenocarcinoma	283 (50.0)
Squamous Cell	157 (27.7)
Other NSCLC	34 (6.0)
Carcinoid/Neuroendocrine	29 (5.1)
Carcinoma in situ	23 (4.1)
Large Cell	16 (2.8)
Other Cancer*	10 (1.7)
Small Cell	7 (1.2)
Unknown	7 (1.2)
Benign	N (%)
Granuloma**	75 (64.7)
Benign Tumor	17 (12.1)
Active Infectious disease***	14 (12.1)
Fibrosis	5 (4.3)
Other	5 (4.3)

^*Includes lymphoma, melanoma, adenoid cystic neoplasm, mucoepidermoid, sarcoma, and other neoplasm.

^**Granuloma includes histoplasmosis, atypical mycobacteria, blastomycosis, cryptococcus, coccidiodomycosis, aspergillosis and nonspecific granulomas.

^***Infectious disease includes active Mycobacterium tuberculosis and active pneumonia