Tumor

medical imaging

A cyst is a fluid-filled sac surrounded by a distinct wall, typically appearing anechoic (black) with well-defined, smooth borders on ultrasound. Because fluid reflects very few...

Health

A tumor is an abnormal mass of tissue formed by uncontrolled or irregular cell growth. Tumors can be benign, meaning they do not invade nearby tissues or spread, or malignant, w...

medical-overview

A cyst is typically a closed sac filled with fluid, air, or other material that forms in or around an organ; it is often benign and may resolve on its own or with minimal treatm...