Monarch Disease Ontology term MONDO_0004410 (sarcomatoid penile squamous cell carcinoma) is a squamous cell carcinoma that arises from the penis and is characterized by the presence of malignant spindle-shaped cells. Also known as: sarcomatoid carcinoma of the penis, sarcomatoid penile carcinoma, sarcomatous carcinoma of the penis, spindle cell carcinoma of the penis, squamous cell carcinoma of penis, sarcomatoid type, squamous cell carcinoma of the penis, sarcomatoid type.