Partials are when the top pectoral muscle covers the top of implant only, I had this as I wanted unders but my suregeon recommended partials so as my nipple sat a little higher…… I had mod plus profile…. mod plus, high, ultra high are the most common used depended on your measurements to what will give you the best results, I wanted a good size but natural looking and I wanted good cleavage so I had 450cc mod plus (which are wider than high profile and project1cm less) and I had partial placement xx