A Case of Giant Squamous Cell Carcinoma of the Buttock Possibly Arose from Syringocystadenoma and Invaded to the Rectum

<table>A washy red smooth nodule was noticed from the beneath of tumor after chemoradiation therapy. It was adjneent to the ulceration.</table>

Journal of Skin Cancer

Figure 4: A Case of Giant Squamous Cell Carcinoma of the Buttock Possibly Arose from Syringocystadenoma and Invaded to the Rectum 