Intermediate–high-risk pulmonary embolism in a 53-year-old woman with colorectal cancer and contraindication to thrombolysis

Key points A 53-year-old woman with rectosigmoid adenocarcinoma was seen in the radiation oncology clinic for her fifth and final fraction of neoadjuvant radiotherapy, where she reported chills, fatigue, shortness of breath, and swelling in her left calf. She had received a diverting loop colostomy