Still, in some family cancer syndromes, a few types of cancer seem to go together. For example, breast cancer and ovarian cancer run together in families with hereditary breast and ovarian cancer syndrome (HBOC). read more
However you may note that from several studies across these cancers people who had cancers were checked for many genes and mutation that were suspected to be inherited. The answer was that only about 10% pr so had these mutations. read more
Genetic Changes and Cancer. Cancer is a genetic disease—that is, cancer is caused by certain changes to genes that control the way our cells function, especially how they grow and divide. Genes carry the instructions to make proteins, which do much of the work in our cells. read more