Methylene Blue-Aided In Vivo Staining of Central Airways during Flexible Bronchoscopy

Table 1

Underlying diseases which were indications for bronchoscopy.

n	Underlying disease
6	Adenocarcinoma of the lung
4	Squamous cell cancer of the lung
2	Small cell lung cancer
2	Bronchoalveolar carcinoma
1	Metastasis of renal cancer
1	Metastasis of colorectal cancer
1	Papillomatosis of the trachea
2	Esophageal cancer
2	Carcinoma of unknown primary
1	Sarcoidosis
2	Followup after lung cancer surgery
2	Suspicious findings in CT scan