Chest area (5)
(Other definitions for torso that I've seen before include "Trunk of human body" , "Roots (anag)" , "unfinished work" , "Trunk, something unfinished" , "Trunk; headless, limbless body" .)
(Other definitions for thorax that I've seen before include "Part of insect bearing legs and wings" , "Part of the body between neck and abdomen" , "Part of the body containing 3" , "Middle section of insect's body" , "Middle section of an insect" .)