52-year-old male was diagnosed in 2004 with a carcinoma of the lower rectum and underwent surgical anterior resection of the rectal tumor which was a well differentiated adenocarcinoma. In 2008 he underwent emergency operation for a perforated pyloric ulcer and then a radical resection of a gastric tumor which infiltrated the entire thickness of the gastric wall. It was a G3 diffuse type adenocarcinoma with signet ring cells, at pT3N2 stage.

70-year-old-male was diagnosed with colon cancer. After undergoing a right hemicolectomy, hepatic lesions were revealed. Three months after starting chemotherapy a CT revealed recurrent hepatic disease and celiac lymphadenopathy. He underwent directed therapy with radiofrequency ablation and stereotactic radiation, but unfortunately a repeat CT showed progressive disease in the liver and new pulmonary disease. Upon surgical exploration, his liver disease was deemed too extensive for surgical resection.

39-year-old male was diagnosed to have a neuroendocrine tumour with synchronic liver metastases. The disease was treated with an etoposide-carboplatin combination, Interferon A, somatostatin analogue and Zebra fish egg derived dietary supplements. In early 2008, a tumour progression was noted in that the disease started to produce the epithelial tumour markers CEA and CA 19-9.