Dictionary of Cancer Terms
View in Spanish: Cáncer de la vesícula biliar en estadio IB
Stage IB gallbladder cancer ( GAWL-bla-der KAN-ser)
Stage I gallbladder cancer is divided into stages IA and IB. In stage IB, cancer has spread beyond the muscle layer to the connective tissue around the muscle.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.