is a cancer of lymph tissue growing in the abdomen behind organs.

is a childhood cancer that starts in nerve tissue behind the abdomen.

is a rare cancer that develops in tissues deep behind the abdomen.

is a rare cancer that starts in tissues behind the abdomen.

is a rare neurodevelopmental disorder, mostly in girls, causing developmental regression.

is a temporary blood vessel spasm disorder causing sudden severe headaches.

is a rare genetic disorder causing eye disease and bone marrow failure.

is a rare, serious condition causing brain and liver swelling.

is a rare autoimmune condition combining primary biliary cholangitis and limited scleroderma.

is a rare inherited disorder affecting sugar processing and body development.

is a rare inherited disorder causing nerve damage from poor riboflavin transport.

is a rare inherited disorder causing nerve damage from poor riboflavin transport.

is a rare blood condition that can cause severe anemia in babies.

happens when a pregnant person's immune system attacks an Rh-positive fetus.

is a rare, aggressive cancer that often affects young children.

is a rare, aggressive meningioma that can grow quickly and return.

is a rare, aggressive cancer that usually affects young children.

is an inherited condition that raises the risk of aggressive rhabdoid tumors.

is a rare muscle disorder causing muscle pain and muscle breakdown.

is a cancer that starts in cells that normally form muscle.

is a rare cervical cancer arising from immature muscle-like cells.

is a rare cancer that starts in the uterus's muscle tissue.

is a type of heart failure caused by rheumatic heart valve damage.

affects joints and connective tissues, causing pain, stiffness, and inflammation.