<prompt> Commonest association seen in carcinoma GallbladderPeritoneal depositsDuodenal infiltrationSecondaries to liverCystic node involvement  <response>: Metastasis in Carcinoma Gallbladder Direct hepatic invasion :59 cases Lymph node metastasis : 45cases Perineural invasion: 42 cases Ref: Sabiston 20th edition Pgno : 1512-1514 