The normal bile acid concentration ruled out hepatomegaly as the cause of the mass. The next diagnostic test considered was either abdominal ultrasound to identify the mass, or contrast ...

An abdominal mass is an abnormal growth that occurs in the abdomen. An abdominal mass causes visible swelling and may change the shape of the abdomen. A person with an abdominal mass may notice ...

Together with Dr John MacVicar, the three published their findings in the 1958 Lancet paper Investigation of Abdominal Masses by Pulsed Ultrasound. "As a final year student I had persuaded Tom ...