ALK-fusion-positive non-small cell lung cancer concomitant with 5q deletion myelodysplastic syndrome: a case report.

Multiple primary malignant neoplasms (MPMNs) refers to the concurrent or sequential development of at least two distinct primary malignant tumors within the body, arising from the same organ or different organs. The current manuscript discusses the unique clinical case of a female patient diagnosed with concomitant metastatic ALK-positive NSCLC and del 5q-MDS and was treated for both entities with oral systemic treatments only with a remarkable response for both diseases.