Array-CGH profile of chromosome 2 showing an interstitial deletion (average log2 ratio: -0.83) (patient 3). A. The whole chromosome 2 view. B. The enlarged view of the rearrangement as provided by Agilent Technologies, CGH Analytics 3.5.14. The proximal deletion breakpoint was between 178,370 Mb and 178,393 Mb, and the distal deletion breakpoint was between 182,296 Mb and 182,369 Mb. The overall size of the deletion was about 3.9 Mb.