Sarcoma | Hepatocellular Carcinoma | Gastric Cancer | Ovarian Cancer | Mesothelioma | Cholangiocarcinoma | Bladder Cancer | Pancreatic Ductal Adenocarcinoma | Pheochromocytoma/Paraganglioma (PPGL) | Small Cell Lung Cancer or Extrapulmonary Neuroendocrine Cancer (EP-NEC)