Marissa Coreno didn't think anything about the lump under her armpit at first, until an ultrasound showed something worrying.
Marissa Coreno was embracing a new life in 2021. She had just moved out of her parents' house and was spending more time in the gym. She liked her job at a hospital in Ohio. Everything seemed to be going great — until she found a lump in her armpit.
... [5210 chars]