Regardless of her reputation as a performer, Aretha Franklin's cancer doctors say she was no diva as a patient.

Two doctors who treated the Queen of Soul say she handled her diagnosis and treatment with grace — and the grit to keep performing for years.

Franklin, who died in Detroit on Aug. 16, 2018, at 76, had pancreatic neuroendocrine cancer. It's a rare disease that differs from the more common, aggressive type of pancreatic cancer known as adenocarcinoma.

In this Sept. 5, 2018 photo, Aretha Franklin's crypt is shown at the Woodlawn Cemetery mausoleum in Detroit, Wednesday, Sept. 5, 2018. Regardless of her reputation as a performer, Aretha Franklin's cancer doctors say she was no diva as a patient. Two oncologists who treated the Queen of Soul say she handled her diagnosis and treatment with grace _ and the grit to keep performing for years. Franklin, who died in Detroit on Aug. 16, 2018, at 76, had pancreatic neuroendocrine cancer. It's a rare disease that differs from the more common, aggressive type of pancreatic cancer known as adenocarcinoma. (AP PhotoPaul Sancya)

In this Sept. 5, 2018 photo, Aretha Franklin's crypt is shown at the Woodlawn Cemetery mausoleum in Detroit, Wednesday, Sept. 5, 2018. Regardless of her reputation as a performer, Aretha Franklin's cancer doctors say she was no diva as a patient. Two oncologists who treated the Queen of Soul say she handled her diagnosis and treatment with grace _ and the grit to keep performing for years. Franklin, who died in Detroit on Aug. 16, 2018, at 76, had pancreatic neuroendocrine cancer. It's a rare disease that differs from the more common, aggressive type of pancreatic cancer known as adenocarcinoma. (AP PhotoPaul Sancya)

Dr. Philip Philip and Dr. Manisha Shah say she didn't demand star treatment and was keen on doing whatever needed to be done. She also wanted to keep her music going as long as possible, which also impressed them.