Complex sentence: Signet ring cell squamous cell carcinoma (occasionally rendered as signet-ring-cell squamous-cell carcinoma) is a cutaneous condition, a subtype of squamous cell carcinoma, characterized by concentric rings composed of keratin and large vacuoles corresponding to markedly dilated endoplasmic reticulum.
Split into simpler sentences: Signet ring cell squamous cell carcinoma (occasionally rendered as "signet-ring-cell squamous-cell carcinoma") is a histological variant of skin cancer. As the name implies, it is a subtype of squamous cell carcinoma, and is characterized by concentric rings composed of keratin and large vacuoles corresponding to markedly dilated endoplasmic reticulum.