Table 3: Diagnosis before and after open lung biopsy.

Postoperative diagnosis	Preoperative diagnosis	Row	Postoperative diagnosis	Preoperative diagnosis	Row
Wilms metastatic mass	Pulmonary mass	1	Neuroblastoma	Pneumonia	33
Capillary hemangiomas	Thoracic wall mass	2	Inflammatory pulmonary necrosis	Pneumonia	34
Hydatid cyst	Simple lung cyst	3	Inflammatory pulmonary necrosis	Unknown	35
Bronchiolitis Obliterans	Pulmonary hypertension	4	Inflammatory pulmonary necrosis	Pneumonia	36
Fibroconnective tissue & congestion	Pneumonia	5	Pulmonary tuberculosis	Pneumonia	37
Necrosis due to pneumonia	Pneumonia	6	External object	Swallowing an external object	38
Lobar emphysema	Unknown	7	Normal	ALL with respiratory distress	39
Cystic adenomatous malformation	Cystic adenomatous malformation	8	Metastasis of leukemic	AML & H1N1	40
Hydatid cyst	Hydatid cyst	9	Hemophagocytosis syndrome	Hemophagocytosis syndrome	41
Atelectasis and emphysema	Emphysema	10	Hemophagocytosis syndrome	DIC syndrome	42
ILD	Pneumonia	11	Normal	Pulmonary hypertension	43
Granulation tissue	Pneumonia	12	ILD	Pneumonia	44
Inflammatory pulmonary necrosis	Pneumonia	13	Normal	Reserve disease	45
Cystic adenomatous malformation	Pneumonia	14	Reserve disease	Hepatic encephalopathy	46
ARDS	Chronic pneumonia	15	ILD	Gastroenteritis	47
ILD	Pneumonia	16	ILD	Metabolic disease	48
ILD	Pneumonia	17	Pulmonary tuberculosis	Pneumonia	49
ILD	Unknown	18	Lung alveolar destruction	Pneumonia	50
Pulmonary vasculitis	Unknown	19	Normal	Lupus	51
Liver metastasis	Pneumonia	20	ILD	ARDS	52
Neuroblastoma	Lung tumor	21	ILD	Pneumonia	53
ILD	Pneumonia	22	Normal	Unknown	54
Lobar emphysema	Pneumothorax	23	ILD	Unknown	55
Cystic adenomatous malformation	Unknown	24	Lobar emphysema	Pneumothorax	56
ILD	Pneumonia	25	Pneumonic aspiration	External object	57
Pulmonary tuberculosis	Pneumonia	26	Alveolar destruction of the lungs and ARDS	Pneumonia	58
Askin tumor	Unknown	27	ILD	Hyper IgM	59
ILD	Unknown	28	Pulmonary tuberculosis	Pneumonia	60
Neuroblastoma	Pneumonia	29	Normal	Unknown	61
Actinomycin pneumonia	Pneumonia	30	Pneumonic aspiration	Pneumonia	62
Histiocytosis X	Unknown	31	ILD	Pneumonia	63
Spindle cell tumor	Unknown	32	Neuroblastoma	Unknown	64