Lipshultz and colleagues investigated cTnT blood levels in 51 sampled patients (median = 5.7 years) subjected to surgical cardiovascular (n = 19) or non-cardiovascular (n = 17) treatment or who took doxorubicin for acute lymphoblastic leukemia (ALL) (n = 15). The gene discussed is TNNT2; the disease is acute lymphoblastic leukemia.