Pediatric surgery is a surgical subspecialty that deals with the surgery of fetuses, infants, children, adolescents, and young adults. It is used for the treatment of several pediatric diseases, including congenital malformations, abdominal wall defects, pectus excavatum and separation of conjoined twins. It also focuses on childhood tumors such as neuroblastoma, Wilms' tumor, rhabdomyosarcoma, liver tumors, teratomas and kidney tumor. There are mainly two sub categories that fall under pediatric surgery, namely, neonatal surgery and fetal surgery. Neonatal surgery involves the medical care of newborn infants, particularly who have illness or were born premature. Fetal surgery is a type of pediatric surgery that is used for the treatment of birth defects in fetuses. This book provides significant information of this discipline to help develop a good understanding of pediatric surgery. A number of latest researches have been included to keep the readers up-to-date with the global concepts in this branch of surgery. The book is an essential guide for both medical professionals and students.