Endobronchial ultrasound-guided transbronchial needle aspiration in intrathoracic lymphadenopathy with extrathoracic malignancy

Table 2 Primary extrathoracic malignancy site and the final pathologic result of the intrathoracic lymphadenopathy

Extrathoracic malignancy	n (%)	Location			EBUS			Surgery			Follow-up
		Paratracheal	Subcarinal	Hilar and lobar	ETM LNM	PLC LNM	Benign	ETM LNM	PLC LNM	Benign	FO	ETM LNM
Breast cancer	18 (22.5)	12	8	8	11	3	2	-	-	1	1	-
Colon cancer	12 (15.0)	8	4	4	7	3	-	-	-	-	1	1
Rectal cancer	11 (13.8)	4	2	8	7	3	-	1	-	-	-	-
Gastric cancer	11 (13.8)	7	5	6	6	2		-	-	1	1	-
Renal cell cancer	7 (8.8)	6	4	2	6	-	-	1	-	-	-	-
Thyroid cancer	6 (7.5)	6	2	2	1	2	3	-	-	-	-	-
Head and neck cancer1	5 (6.3)	3	3	2	3	-	-	-	1	1	-	-
Endometrial cancer	3 (3.8)	1	2	2	2	-	1	-	-	-	-	-
Hepatic cell cancer	2 (2.5)	1	1	0	2	-	-	-	-	-	-	-
Other2	5 (6.3)	4	2	4	2	-	2	-	-	-	1	-
Total	80 (100.0)	52	33	38	47	13	9	2	1	3	5

¹Oropharyngeal cancer (n = 2), nasopharyngeal cancer (n = 1), laryngeal cancer (n = 1), and parotid cancer (n = 1).

²Cervical cancer (n = 1), ovarian cancer (n = 1), melanoma (n = 1), pancreatic cancer (n = 1), and prostate cancer (n = 1).

EBUS: Endobronchial ultrasound-guided transbronchial needle aspiration; ETM: Extrathoracic malignancy; FO: Favorable outcome; LNM: Lymph node metastasis; PLC: Primary lung cancer.