is a cancer of the rectum, causing bleeding and bowel changes.

is an early rectal cancer limited to the innermost lining.

is a rare cancer in the rectum's blood and lymph vessels.

is a rare cancer of the rectum's smooth muscle tissue.

is a rare cancer that starts in the rectum's lymphatic tissue.

is a rare, aggressive cancer that begins in pigment-producing cells.

is a rectal cancer that makes mucus and starts in gland cells.

is a rare tumor in the rectum from hormone-producing cells.

is a rare cancer of muscle-forming cells in the rectum.

is a rare cancer that starts in tissues of the rectum.

is a rare, aggressive rectal cancer with both epithelial and sarcoma-like cells.

is a rare, aggressive rectal cancer with mucus-producing signet ring cells.

is a rare cancer arising from squamous cells in the rectum.

causes repeated painful breakdown of the cornea’s outer surface.

causes repeated hepatitis C-related liver disease after a liver transplant.

is a rare disorder causing repeated episodes of extreme sleepiness.

is a recurring eye inflammation causing optic nerve swelling and vision changes.

is a rare immune disorder causing repeated infections from abnormal white cells.

is an immune disorder causing repeated infections due to missing antibody types.

is a rare inherited disorder causing metabolic crises, rhabdomyolysis, and arrhythmias.

is an inherited immune disorder causing repeated serious Neisseria bacterial infections.

is a rare HPV-related condition causing wart-like growths in the airways.

is a rare genetic muscle disorder causing progressive weakness and muscle wasting.

is a rare genetic muscle disease causing progressive weakness and disability.