The side altar was made in the second half of 19th century. In the main area there is a sculpture of Our Lady of the Immaculate Conception, and above, there is Saint Bishop Mikołaj. The sides of reredos are flanked by the sculpture of Saint John the Evangelist on the left side and unknon saint on the other side.
Maria Działo, "Side altar", [in:] "The Sacred Lesser Poland Heritage", 2023, source: https://sdm.upjp2.edu.pl/en/works/side-altar-106