The art and science of surgery is rapidly advancing year by year. Newer techniques and instruments are being added every year, and emphasis is on zero-error surgery. We are bringing the fourth edition of this book. The present edition is an attempt to provide far insight of recent advances. Many chapters such as “Informed Consent, Enhanced Recovery After Surgery, WHO Safety Checklist, Wrong-site Surgery, and Duty of Candor” have been added for the first time.
