Samantha, Savanna and Pete, ages 6, 4 and 2, are three reasons why Pedro Omar Perez says he'll beat cancer.
"I have to recover for them," he said in a telephone interview from his room at MD Anderson in Houston. "Regardless of what happens, I'm still a father and I'm still going to care for them."
Pedro is no stranger to battles.
The former Lance Corporal served in two tours overseas including in Iraq and Afghanistan with the Marine Corps. Reserves.
He's also a police officer in the City of Donna.
But cancer is an enemy without a face.
The 27-year-old was diagnosed with a rare form of bone cancer called Osteosarcoma.
Doctors say he could lose his leg due to a lesion that won't stop bleeding.
"It's a different battle," Pedro explained. "It TMs one that I wasn't prepared for really."
His wife Lucy and their kids travel as much as financially possible to Houston to be by their champion's side.
Pedro's father, Jose Perez, a Corporal with the Alton Police Department, shares how his son's sudden illness is taking a toll.
"Pain," he said about what he's feeling on the inside.
Like any loving father, Jose doesn't want to see his son, a man who's typically on his feet for public service, on a hospital bed facing the unknown.
While optimistic, Jose has a message for everyone about how precious life truly is.
"Do the best that you can every day," the father said. "Do whatever you can to help people. That's the best reward that you can have."
Pedro is appreciate for all the support he's been receiving back in the Rio Grande Valley.
"Without their support I don't think I would be able to get through all of this."
His children TMs faces are helping him to heal.
It's a family filled with love but in need of financial support.
A bank account has been set up at First National Bank in Donna under the name Teresa Perez for Pedro Omar Perez.