'Happy Days' star Erin Moran's husband reveals tragic details about cancer

Erin Moran's husband, Steve Fleischmann, revealed heartbreaking details about the months leading up to her death in a Facebook post on Tuesday.

New evidence from the Harrison County Sheriff's Office on Monday suggested that the actress likely died due to complications from stage 4 cancer. The open letter, which was posted on Scott Baio's official Facebook page, confirmed the report.

"Erin and I met 4/22/1992 and parted ways 4/22/2017," her husband began the letter.

He recalled that Erin "woke up and had about a dime size blood stain on her pillowcase" right after they got back from a trip to celebrate their wedding anniversary in November of last year. After a couple of days, they kept on finding more blood.

"I get a flashlight and say let me look. It was not her tongue it was her tonsil on the left side. I thought it was tonsillitis," wrote Fleischmann.

After getting a biopsy, doctors confirmed she had squamous cell carcinoma -- a common form of cancer. Shortly after, she started radiation and chemo -- five days a week on radiation and chemo only on Thursdays.

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Erin Moran through the years
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Erin Moran through the years
Actress Erin Moran poses for a portrait in circa 1980. (Photo by Michael Ochs Archives/Getty Images)
American actors Erin Moran and Scott Baio hold each other in a publicity still for the television show 'Joanie Loves Chachi,' in which they play the title characters, 1982. (Photo by Fotos International/Getty Images)
BEVERLY HILLS, CA - JANUARY 30: Actor Scott Baio and Actress Erin Moran attending 39th Annual Golden Globe Awards on January 30, 1982 at Beverly Hilton Hotel in Beverly Hills, California. (Photo by Betty Galella/WireImage)
BEVERLY HILLS, CA - JANUARY 30: Actor Scott Baio and actress Erin Moran attend the 39th Annual Golden Globe Awards on January 30, 1982 at the Beverly Hilton Hotel in Beverly Hills, California. (Photo by Betty Galella/WireImage)
NEW YORK - OCTOBER 25: Actress Erin Moran and Scott Baio attending 1982 American Image Awards on October 25, 1982 at Sheraton Center in New York City, New York. (Photo by Ron Galella/WireImage)
American actors Erin Moran, wearing a wedding dress, and Scott Baio, wearing a tuxedo, pose at an altar in a promotional portrait from the TV program 'Happy Days.' Their characters Joanie and Chachi were married during the show's final season. (Photo by Hulton Archive/Getty Images)
Actress Erin Moran attends 17th Annual Academy of Country Music Awards on April 29, 1982 at Knott's Berry Farm in Buena Park, California. (Photo by Ron Galella/WireImage)
LOS ANGELES - JUNE 7: Actress Pat Klous and actress Erin Moran attend K-Earth 101.1 FM Radio Station Celebrity Charity Basketball Game on June 7, 1986 at Fairfax High School in Los Angeles, California. (Photo by Ron Galella, Ltd./WireImage)
Actress Erin Moran attends the premiere of The Evening Star on December 13, 1996 at Mann National Theater in Westwood, California. (Photo by Ron Galella, Ltd./WireImage)
Actress Erin Moran and Steve Fleischman attend Ringling Brothers Circus Variety Club Children's Benefit on August 7, 1997 at the Great Western Forum in Inglewood, California. (Photo by Ron Galella, Ltd./WireImage)
Actress Erin Moran attends American Image Awards on October 25, 1982 at the Sheraton Center in New York City. (Photo by Ron Galella/WireImage)
Actress Erin Moran attends Benefit Basketball Game on June 7, 1986 at the Fairfax High School in Los Angeles, California. (Photo by Ron Galella, Ltd./WireImage)
Actress Erin Moran attends Third Annual Connie Stevens Celebrity Fashion Show on June 8, 1986 at the Ambassador Hotel in New York City. (Photo by Ron Galella, Ltd./WireImage)
391064 10: Actress Erin Moran attends the Hollywood Collectors & Celebrities Show June 23, 2001 at Beverly Garland''s Holiday Inn in North Hollywood, CA. (Photo by Getty Images)
LOS ANGELES, CA - MARCH 14: Actress Erin Moran attends a launch party for DeeDee Bigelow's episode on Surreal Life at Mood supperclub on March 14, 2007 in Los Angeles, California. (Photo by Chad Buchanan/Getty Images)
Actress Erin Moran attends Night of 100 Stars Gala on November 2, 1983 at the Bel Air Hotel in Los Angeles, California. (Photo by Ron Galella, Ltd./WireImage)
NORTH HOLLYWOOD, CA - MAY 6: (L-R) Actresses Erin Moran, Marion Ross, Cloris Leachman and Holland Taylor attend 'A Mother's Day Salute to TV Moms' at the Academy of Television Arts & Sciences May 6, 2008 in North Hollywood, California. (Photo by David Livingston/Getty Images)
NORTH HOLLYWOOD, CA - MAY 6: Actress Erin Moran (R) and her husband Steven Fleischmann attend 'A Mother's Day Salute to TV Moms' at the Academy of Television Arts & Sciences May 6, 2008 in North Hollywood, California. (Photo by David Livingston/Getty Images)
NORTH HOLLYWOOD, CA - MAY 6: Actress Erin Moran attends 'A Mother's Day Salute to TV Moms' at the Academy of Television Arts & Sciences May 6, 2008 in North Hollywood, California. (Photo by David Livingston/Getty Images)
HOLLYWOOD - SEPTEMBER 24: Actress Erin Moran arrives at the Fox Reality Channel Really Awards at the Avalon Hollywood club September 24, 2008 in Hollywood California. (Photo by Frazer Harrison/Getty Images)
HOLLYWOOD, CA - SEPTEMBER 24: Actress Erin Moran and guest attend the FOX Reality Channel Really Awards on September 24, 2008 at the Avalon Hollywood club in Hollywood, California. (Photo by Getty Images for FOX)
LOS ANGELES, CA - APRIL 23: Actress Erin Moran at the 4th Annual LA Jewish Film Festival Opening Night Gala Event at the Writer's Guild Theater on April 23, 2009 in Beverly Hills, California. (Photo by Amy Graves/WireImage)
NORTH HOLLYWOOD, CA - JUNE 18: Actress Erin Moran arrives at the Academy Of Television Arts & Sciences' 'Father's Day Salute To TV Dads' on June 18, 2009 in North Hollywood, California. (Photo by Frazer Harrison/Getty Images)
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However, Erin's condition slowly deteriorated: "It got so bad so fast. By the middle of February, Erin could no longer speak or eat or drink."

Despite her poor health, the actress remained in good spirits.

"She was still happy, she was active, she texted people on her phone all day," Steve added.

The day before her death, April 21, she had trouble breathing. And the next day, Steve claimed she wasn't 100 percent.

"I laid down next to her held her right hand in my left. I feel asleep woke up about a hour later still holding her hand and she was gone, she was just gone ..."

Steve revealed Norton Cancer Institute, where his wife received treatments, "never said how bad it was."

"The coroner told me it was really really bad. It had spread to her spleen, she had alot of fluid in her lungs and part of her brain was infected," he shared. "The coroner said even if she was in the hospital being pumped full of antibiotics she still would not of made it. He said it was the best that she was with me and went in her sleep."

Read the full statement here.

The couple tied the knot in 1993 and have no children together. Moran was previously married to Rocky Ferguson for six years.

Several of Moran's "Happy Days" co-stars have expressed their condolences following her passing, including Scott Baio who played her love interest in the show. He sparked controversy in an interview on Monday after saying he "wasn't completely shocked" about her death.

"For me, you do drugs or drink, you're gonna die," Baio said.

He later backtracked his remarks after news broke that Moran died of cancer.

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