Hello, This is a collection of fluid in the kidney,  and is generally a benign occurance. This can be related to high blood pressure or diabetes. Consider discussing this with me live online. Regards, Dr.Joshi

Hello, The Diaphragm is the main muscle that helps you breathe and also keeps abdominal contents form going into the thorax and causing a hernia / compression of your lungs. That is why it is a very important structure. Regards, Dr.Joshi

Hello, You are talking about a Supra-Pubic Catheter, this is a tube that is inserted in the Urinary Bladder by making a small incision in the pelvic area. This helps drain the Bladder if a person cannot pass Urine. Regards, Dr.Joshi