Table 1.

Clinical, radiologic, and pathologic characteristics of the two cases.

	Sex	Age	Symptoms	Nodule location	Calcification	Transthoracic biopsy diagnostic	Actin positivity	ALK positivity
Patient 1	Male	12	Upper respiratory infection	Right upper lobe	No	No	Yes	No
Patient 2	Male	39	Asymptomatic	Right upper lobe	Yes (punctate, eccentric)	Yes	Yes	Yes

ALK, anaplastic lymphoma kinase.