Multiple choice What is metastasis? It is preneoplastic stage of cancer. Here transformation of protooncogenes occurs into oncogenes. It is the invasion of cancerous cells to surrounding tissues. It is a form of cancer that is induced by radiations only. It is a specific cancer associated with mesenchyma. Reveal answer Fill a bubble to check yourself C Correct answer Explanation Metastasis or metastatic disease, is the spread of a cancer from one organ or part to another non-adjacent organ or part.