General Surgery, Head and Neck Surgery, started doing FGS procedures in 2018. Solo private practice in Mexico City. Gastrointestinal procedures, gallbladder, apendix, antireflux and hiatal hernia procedures, colon surgery benign and malignant diseases. Intestinal obstruction. Hernia surgery. Anorectal procedures. Thyroid and Parathyroid, major salivary gland ( parotid, submandibular, sublingual ) surgery. Carotid Body Tumor ( Paraganglioma) surgery. Laryngeal and tracheal surgery. Tracheostomy, percutaneous and conventional.