TP53 and carcinoma: Studies analysing the expression patterns of N-terminally truncated p53 isoforms in distinct types of carcinomas are rare and have not shown a clinical relevance of p53 isoforms (Boldrup et al, 2007; Avery-Kiejda et al, 2008; Ebrahimi et al, 2008; Chen et al, 2009; Song et al, 2009).