(CNN) A hospital in Delaware helped organize a wedding for one of its terminally ill patients and his fiancée.

Doctors in August had found a small lump on Gus Jiménez's lung, his wife told CNN affiliate WABC this week. He was diagnosed with NUT carcinoma, a rare and fast-growing cancer that cannot be cured, according to the National Cancer Institute.

"Everything kind of changed in August," Rachel Jiménez said.

Then on January 31, the couple went to the emergency room at Wilmington Hospital, where Gus was admitted for dehydration.

"His pain progressed, and he has been in the hospital since that day," Megan McGuriman, a spokeswoman for ChristianaCare, told CNN.

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