what is disease caused by
Disease is caused by the parasitic roundworm, Ascaris lumbricoides, which uses a fecal-oral route of transmission.
worms size
The worms may be 20 to 30 cm long and 6 cm in diameter.
how do worms enter biliary tree
ampulla of veater
what do worms cause
biliary obstrction
Symptoms
Clinically, the patient may be asymptomatic or have biliary colic, pancreatitis, or biliary symptoms.