'Real Chance of Love' Star Fighting Stage Four Cancer

3/21/2013 7:50 AM PDT

'Real Chance of Love' Star -- Fighting Stage Four Cancer

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One of the guys from the VH1 reality show "Real Chance of Love" has been diagnosed with STAGE FOUR colon cancer ... and is hospitalized while doctors come up with a strategy to attack the disease.

TMZ has learned Real ... real name Ahmad Givens ... is getting treatment at Cedars-Sinai hospital in Beverly Hills.

A rep for Real -- who starred with his brother on the popular dating show 'Real Chance' -- tells TMZ he first got sick in January with what he thought was the flu.

We're told 33-year-old Real went back to the hospital at least 4 times and was initially told something was wrong with his liver -- but last week doctors informed him it was colon cancer.

Stage four generally means the cancer has spread to other parts of the body.

We're told the rapper-turned-reality-star will remain hospitalized at least until docs figure out what kind of treatment -- chemotherapy, radiation, or both -- he will require.

The rep says they expect a decision from doctors today.