Table 1

Histopathological characteristics of selected samples

Case	Histotype	Primitive or metastatic	Localisation	Source
1	Acinar ADC	Primitive	Lung	Surgery
2	Acinar, solid ADC	Primitive	Lung	Surgery
3	Acinar ADC	Primitive	Lung	Surgery
4	Acinar ADC	Metastatic	Lymph node	EUS FNAB
5	ADC	Metastatic	Pleura	Biopsy
6	Acinar, papillary ADC	Metastatic	Lymph node	EUS FNAB
7	Papillary ADC	Primitive	Lung	Surgery
8	Micropapillary, papillary ADC	Primitive	Lung	Surgery
9	Acinar, solid ADC	Primitive	Lung	Surgery
10	ADC	Metastatic	Lymph node	EUS FNAB
11	Solid ADC	Metastatic	Lymph node	Biopsy
12	Acinar ADC	Metastatic	Lymph node	EUS FNAB
13	ADC	Metastatic	Lymph node	EBUS TBNA
14	Mucinous, solid ADC	Primitive	Lung	Surgery
15	ADC	Metastatic	Pleura	Biopsy
16	ADC	Metastatic	Pleura	Biopsy
17	ADC	Primitive	Lung	Biopsy
18	ADC	Primitive	Lung	Surgery
19	ADC	Metastatic	Pleura	Biopsy
20	ADC	Primitive	Lung	Biopsy

ADC, adenocarcinoma; EBUS, endobronchial ultrasonography; EUS, endoscopic ultrasonography; FNAB, fine needle aspiration biopsy; TBNA, transbronchial needle aspiration.