title: Endobronchial metastasis in benign giant cell tumor of bone in a 25-year male -Second case report with literature review.
authors.affiliation: Department of Pulmonary Medicine, Era's Lucknow Medical College and Hospital, Lucknow, Uttar Pradesh, India E-mail: shivsagar.gupta@yahoo.com.
authors.forename: Shiv Sagar
authors.initials: SS
authors.lastname: Gupta
authors.affiliation: Department of Pulmonary Medicine, Sanjay Gandhi Postgraduate Institute of Medical Science, Lucknow, Uttar Pradesh, India.
authors.forename: Nishith
authors.initials: N
authors.lastname: Kumar
authors.affiliation: Department of Pathology, RML Mehrotra Pathology Pvt Ltd, Lucknow, Uttar Pradesh, India.
authors.forename: Bandna
authors.initials: B
authors.lastname: Mehrotra