COLLIER COUNTY -

A Southwest Florida doctor spent another day in court fighting for his right to practice medicine.

Bonita Springs cardiologist Zannos Grekos' license is currently suspended because two of his patients died after undergoing a controversial stem cell procedure.

Wednesday was day two of what's scheduled to be a four day trial. The courtroom was again filled with patients supporting Grekos and his stem cell treatment.

This hearing focuses only on the first patient that died after getting that treatment. Her family was also in attendance and wants Grekos' medical license revoked.

Dr. Richard Roland spoke about a call he got from Grekos in 2010. He had just performed a stem cell procedure on his patient Domenica Fitgzerald and something went wrong.

Roland was Fitzgerald's ICU doctor.

"I was quite shocked. My first comment was, 'You did what?' His response was, 'Yes. We've been having good luck with these procedures,'" Dr. Roland said. "I had concerns that this was criminal."

Fitzgerald's family says the breast cancer survivor was looking for a cure for nerve damage caused by chemotherapy.

They say Grekos gave her false hope.

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Stem cell doctor in court: Day 2