is a rare genetic condition that affects development, learning, and physical features.

is joint inflammation that can develop after certain infections elsewhere.

is a noncancerous skin lesion made of fibrous connective tissue.

is a learning disorder that affects reading accuracy, fluency, and comprehension.

is a rare reflex epilepsy triggered by reading words or text.

is a rare inherited disorder causing fragile skin and painful blistering.

is a rare inherited disorder causing intellectual disability, motor problems, and contractures.

is a rare inherited condition that can affect vision, movement, and development.

is a rare inherited disorder causing balance problems and mitochondrial dysfunction.

is an inherited skin condition causing dry, dark, scaly skin.

is a rare genetic condition that can affect development and body growth.

is a genetic immune deficiency causing recurrent, severe infections from infancy.

is a rare inherited immune disorder causing severe, repeated infections.

is a noncancerous growth in the rectum that can become cancer.

is a rare cancer arising where the rectum meets the anus.

is a group of conditions affecting the rectum, causing pain or bleeding.

is a rare birth defect causing an extra rectal pouch or tube.

is a rare, noncancerous smooth muscle tumor in the rectum.

is a rare, usually noncancerous fatty growth in the rectum.

is when part of the rectum slips out through the anus.

is cancer that starts where the rectum and sigmoid colon meet.

is a cancer where the rectum and sigmoid colon meet.

is a cancer that starts where the rectum meets the sigmoid colon.

is a common type of rectal cancer starting in gland cells.