Fig. 2

Gross findings in an adult female bare-faced curassow (Crax fasciolata) with polyostotic osteosarcoma. a nodular growth in the right femur involving the diaphysis and distal metaphysis. b Nodule in the contralateral femur, which was whitish solid color and hard consistency (arrow). c Neoplastic proliferation in the left femur, filling a focal area of the medullary cavity extending to the cortical region (arrow). d Kidney with multifocal nodular areas of neoplastic proliferation similar to those found in the pelvic limbs