Josep M. Borràs
Scientific coordinator of the National Health System Cancer Strategy, director of the Catalan Oncology Plan and Professor of Preventive Medicine and Public Health at the University of Barcelona
The article is of great importance because it shows the growth or decline according to lung cancer histology in a large number of countries (185). The data are of high quality and are rigorously validated with a highly contrasted methodology.
The importance is that it confirms the change in the most frequent type of tumor in most countries: more cases of adenocarcinoma and less of squamous carcinoma, which may have repercussions on the type of treatment. This adenoid tumor is more peripheral and has a somewhat better prognosis. The greater growth in women is associated with the change in the type of tobacco and way of smoking.