Subclavian artery (SCA) pseudoaneurysm after blunt chest trauma is rare and its delayed presentation months after the SCA injury is even rarer. Herein we discuss a case of SCA pseudoaneurysm in a 74-year-old man who presented to us 5 months after blunt chest trauma. He had been managed conservatively for the fracture of first rib and clavicle until presentation to our hospital. https://www.lasreglasdejuego.com/product-category/heat-patches/