- Apocrine Gland Tumors of the Anal Sac
- Basal Cell Tumors and Carcinomas
- Benign Fibroblastic Tumors
- Benign, Nonviral, Wart-like Tumors
- Blood Vessel Tumors
- Cornifying Epitheliomas
- Hair Follicle Tumors
- Histiocytic Cell Tumors
- Keratinized Skin Cysts
- Lipomas and Liposarcomas
- Lymphoid Tumors of the Skin
- Mast Cell Tumors
- Melanomas
- Perianal (Hepatoid) Gland Tumors
- Peripheral Nerve Sheath Tumors
- Sebaceous Gland Tumors
- Smooth Muscle Tumors of the Skin
- Soft Tissue Giant Cell Tumors (Fibrous Histiocytomas)
- Soft Tissue Sarcomas
- Squamous Cell Carcinomas
- Sweat Gland Tumors
- Tumors Originating Outside the Skin (Metastatic Tumors)
- Undifferentiated and Anaplastic Sarcomas
- Warts (Papillomas)
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