one patient with lung, uterine cervix cancer and non-Hodgkin lymphoma, one patient suffering from lung and liver cancer, one patient with breast and bone cancer, and one patient with acute and chronic
BackgroundResearch on patients with lung cancer as a second primary malignancy (LCSPM) remains limited. This study aims to determine the clinical characteristics, prognosis, and temporal relationship
Multiple primary tumors, especially quadruple primary tumors, are extremely rare clinically, and there is no standard protocol for clinical management. We described a case in which a bone tumor, a mal
Introduction: Multiple primary malignancies (MPMs) are likely to develop in patients with colorectal cancer (CRC); however, their prognoses are unclear. This study aims to investigate th
Additional file 1: Table S1. Cancer Site Coding Following SEER and WHO Guidelines. Table S2. Unique Cancer Pairs and Sample Counts in the Kaiser Permanente Research Bank and UK Biobank. Table S3. Samp