Two most common types of biopsy are:
CORE BIOPSY means removing a piece of living tissue from an organ or other part of the body using a bigger spring loaded needle. It is usually performed by a radiologist but may sometimes involve a team consisting of a radiologist, surgeon and pathologist.
Sometimes the aspiration is performed to remove the fluid around the lung or from the abdomen in order to relieve the pressure. In that case it can be both diagnostic and therapeutic.