A Master And Slave Transluminal Endoscopic Robot (MASTER) is seen at a lab in Singapore in this undated close-up handout photo. Inspired by Singapore's famous chilli crab dish, researchers have created a miniature robot with a pincer and a hook that can remove early-stage stomach cancers without leaving any scars.[Photo/Agencies]

A Master And Slave Transluminal Endoscopic Robot (MASTER) is seen against a hand of a man at a lab in Singapore, in this undated handout photo.[Photo/Agencies]