Which type of cancer often presents as "bump-like" masses on the skin?

Dermal sarcomas typically present as "bump-like" masses on the skin due to their nature as malignant tumors that arise from the connective tissues, including the dermis. These tumors can be more aggressive and may manifest as firm, raised nodules or masses that vary in size and color, often creating a noticeable appearance on the skin.

In contrast, squamous cell carcinoma and basal cell carcinoma usually develop in areas of sun damage and are more often characterized by specific changes in skin texture, ulceration, or crusting rather than distinctly raised bumps. Melanoma can also present with elevated lesions, but it is often recognized by its darker pigmentation, asymmetry, and irregular borders, typically associated with abnormal moles rather than just "bump-like" masses. Therefore, dermal sarcomas are distinctly recognized for presenting as clear, protruding masses on the skin, aligning with the description provided.