Saline-filled Breast Implants. Saline-filled breast implants are filled with sterile saline (salt water). They come in both smooth and textured shells and can be round or anatomically (tear-drop) shaped. Saline breast implants are also available in low and high profiles, and in many sizes. A saline-filled breast implant is usually empty before implantation. The doctor moves it into place during your surgery, and then fills it. The saline is administered via a process that ensures the implants remain sterile.
It is certainly possible to lift a breast without changing the volume or removing any tissue, however, the breast will sometimes appear smaller after this procedure due to its position. It is also possible to reduce breast volume without lifting the tissue (usually via liposuction) but all reductions that are performed by making incisions will also include a lift.
The FDA has identified that breast implants may be associated with a rare form of cancer called anaplastic large-cell lymphoma, believed to be associated with chronic bacterial inflammation. Similar ALCL phenomena have been seen with other types of medical implants including vascular access ports, orthopedic hip implants, and jaw (TMJ) implants. As of February 1, 2017, the FDA has received a total of 359 medical device reports of breast-implant-associated ALCL (BIALCL), including 9 deaths. Most cases of breast implant-associated ALCL had implants in for many years prior to the condition, and are usually treated successfully by simple removal of the implant and the capsule surrounding the implant without the need for chemotherapy if no evidence of systemic disease exists. If women with implants present with delayed swelling or fluid collection, cytologic studies and test for a marker "CD30" are suggested. The American Society of Plastic Surgery (ASPS) states, "CD30 is the main diagnostic test that must be performed on the seroma fluid as routine pathology or H&E staining can frequently miss the diagnosis."  Diagnosis and treatment of breast implant associated ALCL now follows standardized guidelines established by the National Comprehensive Cancer Network.