Malignant Tumour was first played on NTS on 7 April 2022. Songs played include Regressive Metamorphoses In The Parenchyma.

Formed in Ostrava, Czech Republic in 1991, Malignant Tumour was one of the first grindcore/mincecore bands in their state, with Martin Bilos Bílek being the only constant member throughout the band's career.

For a considerable period of time, they bore a so-called gore image in their music and lyrics, and released a bunch of split CDs and demo records until switching to socially aware lyrics with such topics as inequality, fascism, racism, homophobia, and worldwide enslavement systems. It took them the total of 12 years to…