A 70-year-old patient with rectal cancer initially underwent surgery at a local hospital in Hebei. However, the tumor recurred after the surgery, with anterior invasion into the bladder and posterior invasion into the sacrum. The extent of the lesion had significantly expanded. Seeking treatment, the patient came to the Royallee. After comprehensive treatment, the extent of the lesion noticeably reduced, the patient's condition improved, and they have now recovered and been discharged.