humerus, regardless of the level or number of fracture lines, in which no segment is displaced more than 1cm or angulated more than 45Â°. Two-part fractures The two-part fracture includes those proximal humeral fractures with a single displacement at the anatomic neck, surgical neck, lesser tuberosity, or greater tuberosity. The fracture is named by the structure that is displaced (Two-part surgical neck fracture). Three-part fractures The three-part fracture includes all proximal humeral fractures with a displaced surgical neck and either a greater or lesser tuberosity displacement fracture. Four-part fractures Four-part fractures are proximal humeral fractures with three displaced, fractured segments including both tuberosities and typically the surgical neck.
The cost of building and maintaining a double set of steel fences along 700 miles of the U.S.-Mexico border could be five to 25 times greater than congressional leaders forecast last year, or as much as $49 billion over the expected 25-year life span of the fence, according to the nonpartisan Congressional Research Service.
Mexico's President has said his country will not pay for a border wall. 1  Mexico City (CNN)It's time to talk about the wall. 2  US President Donald Trump signed executive orders calling for a border wall Wednesday, followed hours later by Mexican President Enrique PeÃ±a Nieto's promise Mexico would never pay for it.