Seroma is known as the accumulation of serum in specific body parts after a person undergoes surgery. The serum can be defined as the clear or yellowish fluid found inside the seroma; it is made up of plasma as well as other cells that come from various blood vessels which become damaged while the surgery is ongoing.It is characterized as a small/ big lump depending on the amount of fluid encased in it.he serum can be defined as the clear or yellowish fluid found inside the seroma; it is made up of plasma as well as other cells that come from various blood vessels which become damaged while the surgery is ongoing. It is characterized as a small/ big lump depending on the amount of fluid encased in it.
Steps. 1  1. Sit up tall. Push your hips as far back as they can go in the chair. 2  2. Sit close to your keyboard. Position it so that it is directly in front of your body. 3  3. Adjust the keyboard height. Make sure your shoulders are relaxed, your elbows are in a slightly open position, and your wrists and hands are straight.
2. Mine just started to sit up this last week - 6 months. He was sitting in the tripod position for a few weeks, but now he can sit unassisted for about 5 minutes at a time.