Table 1. The incidence of incidentally discovered SPN (cases on chest computer tomographies) and the number of diagnosed lung cancer cases.

Author	Study patients (n)	Age (years)	Study population	SPN (%)	Lung cancer (%)
Onuma et al. 2006 [34]	503	66	Patients with suspected coronary artery disease	16.7	0.8
Haller et al. 2006 [39]	166	64	Patients with suspected coronary artery disease	n.e.*	1.2
Müller et al. 2007 [35]	259	64	Patients after coronary artery bypass grafting surgery	3.5	0.4
Burt et al. 2008 [36]	459	65	Patients with suspected coronary artery disease	28	n.e.*
Machaalany et al. 2009 [37]	966	58	Patients with suspected coronary artery disease	23**	0.3
Gómez-Sáez et al. 2014 [9]	2427	66	non-high-risk population	17	n.e.*
Stachon et al. 2015 [38]	374	80	Patients under evaluation for TAVR	4.3	n.e.*
Schmidt et al. 2016	484	82	Patients under evaluation for TAVR	18	0.6

*n.e. = not evaluable.

** granulomata included.