Table 2. Disease location and histology of the group studied.

Variables	LUL	LLL	RUL	RLL
Patients number	5	6	4	8
Final histology	Teratoma, benign, colonic adeno., two primary adeno.	Colonic adeno., breast adeno., hamartoma, primary adeno., SCC, lymphoma	Primary adeno., SCC, colonic adeno., benign	Four colonic adeno., melanoma, benign, hamartoma, pseudotumour

LUL, left upper lobe; LLL, left lower lobe; RUL, right upper lobe; RLL, right lower lobe; SCC, primary squamous cell carcinoma; adeno., adenocarcinoma.