MRTFA and human papilloma virus infection: Interestingly, the network also highlighted “Small cell lung cancer” (hsa05222, MKL-1-up: Padj = 9.7 × 10−3) and “human papillomavirus infection” (hsa05165, MKL-1-up: Padj = 9.7 × 10−3), the biological characteristics of which are similar to MCC.