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Cancer cells have the potential to spread from the gallbladder to other parts of the body where they can grow into new tumours. This process is called metastasis. The tumours are also called metastasis (singular) or metastases (plural). Metastases are also called secondary tumours.
Understanding the usual progression of cancer helps the doctor to predict its probable course, plan treatment and anticipate further care.
Gallbladder cancer usually spreads by growing into surrounding tissues and organs. The most common sites where gallbladder cancer spreads are:
Gallbladder tumours can also spread, or "seed," cancer cells throughout the abdominal cavity.