About 10:30 p.m., the 33-year-old man got into an argument with his 51-year-old father in the 1200 block of East 72nd Place, when the father pulled out a knife and stabbed his son multiple times, according to Chicago Police.
The uninsured tax absorbing son was taken to Advocate Christ Medical Center, and his condition was stabilized.
Nobody is in custody, police said.