Genomic mutation analysis of circulating tumor DNA in metastatic cutaneous squamous cell carcinoma. Issue 1 (April 2022) - Sawamura, Soichiro; Myangat, Tselmeg Mijiddorj; Kajihara, Ikko; Tanaka, Kenichiro; Kanemaru, Hisashi; Nishimura, Yuki; Kashiwada-Nakamura, Kayo; Makino, Kastunari; Aoi, Jun; Masuguchi, Shinichi; Fukushima, Satoshi