27th August 2023

A 65-year-old man with metastatic pancreatic cancer presents with sudden shortness of breath and a dry cough

A 65-year-old man with metastatic pancreatic cancer presents with sudden shortness of breath and a dry cough. His vital signs show tachypnea, tachycardia, and hypoxia. He also appears to be slightly confused. On examination, you find petechiae on his legs. His laboratory results show thrombocytopenia, prolonged prothrombin time (PT), increased fibrin degradation products, and decreased fibrinogen.

What is the most likely diagnosis?