Dr. L . M Darlong is one of the Best lung cancer specialist in delhi he is one of the few surgeons dedicated solely to the care of patients with non-cardiac thoracic diseases and focuses on surgery for diseases of the lungs. Dr. LM. Darlong pioneered advanced Nuss procedure for pectus deformity in India and is the first in the country to perform advanced NUSS procedure using the technique of spectroscopy, crane lift, and pectus tunneloscopy.