Under the current progression of molecular targeting or immune therapy, early detection and radiation therapy of iliopsoas metastasis will not only improve performance status but also enable the continuation of effective systemic cancer treatment.
Keywords: ALK inhibitors; malignant psoas syndrome (MPS); non‐small cell lung cancer (NSCLC); pembrolizumab; radiation therapy.
© 2023 The Authors. Clinical Case Reports published by John Wiley & Sons Ltd.