Bone metastasis in prostate cancer is very common clinically, and most prostate cancer patients are often diagnosed with multiple bone metastases, making bone metastasis very likely in prostate cancer. However, metastasis to other organs, such as distant organs like the lungs and liver, can also occur, but they are relatively rare. It is usually patients with very advanced prostate cancer who might experience metastases to other distant organs. Additionally, it is common for there to be local spread and invasion in the pelvic area, such as invasion into pelvic organs like the bladder and rectum.