The Forum of respiratory techniques is a project of the Area of Pulmonary Techniques and Transplantation of the Spanish Society of Pneumology and Thoracic Surgery (SEPAR) that allows to exchange opinions on specific cases, as well as to expose the possible solutions to complex clinical situations and help solve doubts Among specialists. It is an instrument that facilitates the contact with other professionals of the intervention in respiratory pathology. The cases presented include explanatory text, radiological images, functional examination data, endoscopic images and even videos and histological results.