The central ray for the transthoracic lateral for the proximal humerus is directed:
to enter the mid humerus and MCP
to exit the mid humerus and MCP
to enter the surgical neck of the affected arm and on MCP
to exit the surgical neck of the affected arm and on MCP
to exit the surgical neck of the affected arm and on MCP
Rationale: The transthoracic lateral humerus will set the CR to exit the surgical neck of the affected side as it passes through the MCP.
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