Completar Frases Fill in the blanksVersión en línea Fill in the blanks the following definition related to oncology por Ángeles Valadés Talavera 1 doctor three are signs changes symptoms million prostatic person field pelvic cancer changes lifestyle provides symptoms loss several surgical are radiation nausea study treats Genetic world apparition ovarian environment 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 .