Compléter Fill in the blanksVersion en ligne Fill in the blanks the following definition related to oncology par Ángeles Valadés Talavera 1 lifestyle cancer study provides three pelvic treats surgical several symptoms symptoms Genetic are person changes nausea loss radiation million are environment changes apparition doctor ovarian world field prostatic signs Oncology is the of cancer . An oncologist is a who cancer and medical care for a diagnosed with cancer . The of oncology has major areas : medical , , and . There are types of cancer : , , gastrointestinal , lung , and blood cancer . defects , , and habits are highly connected to the of cancer . Every day around 2 people diagnosed with in the . Some of the of cancer : stomach pain or , unexplained weight , skin , chronic headache , breast , bloating , and abnormal periods or pain amongst other .