Which organ is located a little to the left from the middle of your chest?

Which organ is located a little to the left from the middle of your chest?

کون سا عضو آپ کے سینے کے بیچ سے تھوڑا سا بائیں جانب واقع ہے؟
Explanation

The heart is located in the thoracic cavity, slightly to the left of the center of the chest, behind the breastbone (sternum).