title: Spontaneous disseminated squirrel fibroma.
mesh_terms: D000818:Animals; D001808:Blood Vessels / Q000473:pathology; D005350:Fibroma / Q000209:etiology / Q000473:pathology / Q000662:veterinary*; D007181:Inclusion Bodies, Viral; D008168:Lung / Q000473:pathology; D011213:Poxviridae Infections / Q000150:complications / Q000473:pathology / Q000662:veterinary*; D012589:Sciuridae; D012867:Skin / Q000473:pathology