Oncological emergencies are a group of conditions that occur as a direct or indirect result of cancer or its treatment that are potentially life-threateningThese include: Hypercalcaemia Neutropaenic sepsis Tumour lysis syndrome Leukostasis Raised intracranial pressure Spinal cord compression Cauda equina syndrome Superior vena cava obstruction Syndrome of inappropriate antidiuretic hormone secretion Disseminated intravascular coagulation. Wikipedia