This is called a transthoracic echocardiogram. A transesophageal echocardiogram is done by inserting a probe with a transducer down the esophagus. This provides a clearer image of the heart because ...

Oral melanoma is a rare cancer that forms in the mucosal tissues of the mouth. There may be no early symptoms, or a person may notice an area that is black or brown, with areas of gray ...