Core Viewpoint - 3D printing technology is emerging as a key solution in addressing complex medical challenges, particularly in the customization of prosthetics for patients with chest bone tumors, as demonstrated by the successful case at Yantai Yuhuangding Hospital [4][9]. Group 1: Medical Innovation - The trauma orthopedic department at Yantai Yuhuangding Hospital has pioneered the use of 3D printing for custom prosthetics in the treatment of post-operative complications from chest bone tumors [4][9]. - The successful surgery not only showcases the hospital's capabilities but also opens new avenues for chest bone tumor reconstruction, providing hope for many patients [4][9]. Group 2: Case Study - A 47-year-old female patient, suffering from severe chest pain due to a malignant tumor, underwent a complex procedure involving the removal of a failed steel plate and the implantation of a custom 3D-printed prosthetic [5][9]. - The surgical team, led by Dr. Sun Yujie, faced significant challenges, including the safe removal of the old implant and the precise placement of the new prosthetic to avoid damage to surrounding organs [8][9]. Group 3: Technical Details - The design of the custom prosthetic involved multiple iterations to ensure it met physiological and biomechanical requirements, including stability and joint mobility [6][9]. - The surgery lasted nearly five hours, during which the team meticulously protected the heart and major arteries while ensuring the new prosthetic was securely implanted [9]. Group 4: Future Implications - The successful application of 3D printing in this case highlights the potential for personalized medical solutions that can significantly improve surgical outcomes and patient recovery [9]. - This innovative approach may lead to further advancements in the treatment of complex bone tumors, benefiting a larger patient population [9].

Core Viewpoint - The application of 3D printing technology in the treatment of chest bone tumors at Yantai Yuhuangding Hospital represents a significant advancement in personalized medical solutions, providing new hope for patients suffering from complex bone conditions [4][11]. Group 1: 3D Printing Technology in Medicine - 3D printing technology is emerging as a key solution to medical challenges, particularly in creating customized prosthetics for complex surgeries [2][4]. - The use of 3D printing allows for the production of personalized chest bone prosthetics that meet both physiological and biomechanical requirements, enhancing surgical outcomes [7][11]. Group 2: Case Study of Patient Treatment - A patient, Ms. Chen, suffered from severe chest pain due to a malignant tumor and subsequent complications from a previous surgery, leading her to seek treatment at Yantai Yuhuangding Hospital [5][10]. - The surgical team, led by Dr. Sun Yujie, utilized 3D printing to design a tailored prosthetic that addressed the specific challenges of her condition, including the removal of a failed steel plate and the reconstruction of the chest bone [10][11]. Group 3: Surgical Process and Outcomes - The surgery involved careful removal of the failed implant, which was complicated by its proximity to vital organs, followed by the precise insertion of the custom 3D-printed prosthetic [10][11]. - The successful completion of the surgery resulted in significant pain relief for the patient, allowing her to regain mobility and improve her quality of life [11][13]. Group 4: Implications for Future Treatments - This innovative approach not only alleviated the patient's suffering but also paved the way for new methodologies in the repair of complex bone tumors, potentially benefiting many more patients in the future [4][13].