Leonardo Ona

Biography

 He is working as a Doctor of Surgery, Philippines. His international experience includes various programs, contributions and participation in different countries for diverse fields of study.  His research interests reflect in his wide range of publications in various national and international journals.

Research Interest

  Certified general surgeon practicing in the greater Manila area. Common conditions seen are diseases of the thyroid gland and and other head and neck tumors, Breast tumors, gallbladder and biliary stones, Inguinal and umbilical hernia, Anal conditions such as hemorrhoids and fistula-in-ano, acute abdominal emergencies such as appendicitis and diverticulitis, Colon and Rectal diseases, trauma, minor surgical conditions such as skin and soft tissue tumors and cysts, circumcision.