IPA: /θɔˈrækɪkli/
KK: /θɔˈrækɪkli/
In a manner related to the chest area of the body.
The doctor explained the procedure thoracically to ensure the patient understood the risks involved.
Thoracically → It is formed from "thorax" (from Greek "thorax", meaning chest) and the suffix "-ically" (meaning in a manner relating to). The word "thoracically" refers to something done in a manner relating to the chest.
Think of the word 'thorax' which means chest, and remember that 'thoracically' describes something related to the chest.