left hip pain

50 year old female had left hip pain for 4 months

Please described the radiologic findings.
What is diagnosis?
What is the risk factors  for this disease?

CA prostate with multiple bone metastases

66 year old male had prostate cancer and multiple bony metastases for 3 year.
The pictures demonstrate the radiographs of mixed osteoblastic and osteolytic lesion in pelvis and collapsed of spine.