| a complicated, metastatic, humeral air sac cystadenocarcinoma in a timneh african grey parrot (psittacus erithacus timneh). | a 9-year-old male timneh african grey parrot (psittacus erithacus timneh) was presented because of inability to fly and suspected trauma. the owner also had observed dyspnea, with tail bobbing and open-beak breathing. on clinical examination, a hard, painful mass was palpable in the left proximal humerus and axillary area. radiographs revealed a radiodense soft tissue mass of the left humerus with no bony involvement, multifocal opacities in lung and air sacs, and an enlarged spleen. an asymmetr ... | 2013 | 23772455 |