Averages for San Francisco in January. January San Francisco. Weather Lowdown. January is one of the coldest months in San Francisco, USA and it is also one of the wettest. This month is the rainy season and heavy downpours can occur at any time with a monthâs worth of rain sometimes falling over a couple of days.
When the bile ducts become blocked, bile builds up in the liver, and jaundice (yellow color of the skin) develops due to the increasing levels of bilirubin in the blood. The possible causes of a blocked bile duct include: Cysts of the common bile duct. Enlarged lymp nodes in the porta hepatis. Gallstones.
Bile duct cancer is not common, and these symptoms and signs are more likely to be caused by something other than bile duct cancer. For example, people with gallstones may have many of these same symptoms. There are many far more common causes of abdominal pain than bile duct cancer. And hepatitis (an inflamed liver most often caused by infection with a virus) is a much more common cause of jaundice.