is testicular cancer that develops in a testicle that never descended.

is a rare cancer of the thymus, a gland behind the breastbone.

is a rare cancer of the thymus that can spread nearby.

is a rare cancer affecting the lining around the lungs.

is a rare inherited disorder that affects energy production.

is a birth defect where a coronary artery starts abnormally.

is a slow-growing cancer of immune tissue, often starting in the stomach.

is a type of hypersensitivity pneumonitis caused by inhaling moldy malt dust.

is a rare salivary gland cancer that often grows slowly.

is a rare breast cancer of the nipple and areola skin.

is a rare genetic condition affecting the breasts, fingers, and nails.

is a rare inherited disorder affecting protein processing, development, and growth.

is an abnormal tangle of blood vessels in the lower jaw.

is a rare cancer that starts in the lower jawbone.

is a rare genetic condition causing small jaw, deafness, and fat loss.

is a rare inherited disorder affecting bone development, growth, and skin.

is a rare genetic disorder affecting bone development, skin, and growth.

is a rare inherited disorder affecting body fat, bones, and growth.

is a rare genetic disorder causing bone changes and partial fat loss.

is a rare inherited disorder affecting bones, skin, and body fat.

is a rare genetic condition affecting facial bone development and sometimes hearing.

is a rare genetic disorder affecting facial bones, scalp hair, and hearing.

is a rare genetic condition affecting facial development, eyelids, and mouth size.

is a rare condition causing small head, facial differences, and developmental delay.