Not all the time only if she gets a simple blood test that can tell you.
Cirrhosis of the liver, of course this pertains only to alcohol disease.
you can get it from alcohol drug use smoking
I don't believe any form of liver disease can be completely diagnosed via ultrasound; it will always be biopsied afterwards to confirm diagnosis. Ultrasound is just a guide, to indicate whether there...
Not usually. A biopsy would sometimes be used to confirm, as well as further blood tests.
It may be a harmless cyst or it may be a malignant growth which is very serious.