osteosarcoma, a malignant bone tumor, light micrograph under the microscope

photomicrograph osteosarcoma bone tumor microscope cellular structure medical condition microscopy histology malignant tissue examination disease diagnosis scientific research histopathology cancer pathology microscopic view healthcare malignancy imaging abnormalities health detail anatomical study biology science micrograph light sample slide biopsy hematoxylin eosin staining atypical osteoblasts osteoid matrix osteoblast cell neoplasm carcinoma