Table 1.

Clinicopathologic findings of previously reported cases of concurrent IgG4-RLD lung cancer

Reference	Sex	Age (yr)	Location	Type of tumor	Pattern of ADC	Radiologic finding	Pattern of IgG4-RLD	TNM stage	Other manifestations	Serum IgG4 (mg/dL)
Present case	M	66	LLL	ASC	Acinar and focal micropapillary	Subpleural nodule in a background of reticular and honeycomb fibrosis	Interstitial	pT2aN2M0	IHD	232
Zen et al. [4]	M	NA	RLL	ADC	Mixed, including acinar	Nodular lesion within the reticular shadow	Interstitial	pT1N2M0	No	NA
Inoue et al. [5]	M	78	RUL	ADC	Lepidic	Ground-glass opacity with central collapse and pleural indentation	Nodular	pT1bN0M0	Pancreas	983
Tashiro et al. [6]	M	72	RML	ADC	Lepidic	Spiculated nodule with pleural indentation	Nodular	pT1bN0M0	No	346

IgG4-RLD, IgG4-related lung disease; ADC, adenocarcinoma; M, male; LLL, left lower lobe; ASC, adenosquamous carcinoma; Interstitial, interstitial lung disease type; IHD, intrahepatic bile duct; RLL, right lower lobe; NA, not available; RUL, right upper lobe; Nodular, solid nodular type; RML, right middle lobe.