Referring to the image, evaluate the image on its centering

centering is too low
centering is too high
centering is correctly directed to the midshaft of the humerus
centering is too posterior

centering is too low

Rationale: Centering on a transthoracic lateral is directed to the surgical neck. The surgical neck is the most common point fractured on the humerus. With centering to the surgical neck, this will allow visualization of this area and the shoulder joint.