Incidental Diagnosis of Lung Adenocarcinoma Following Coronavirus OC 43 Severe Pneumonia.

Viral infections are frequent among patients with thoracic malignancies prompted by dysregulation of innate and adaptative immune response. Clinical symptoms and radiological findings of both viral pneumonia and lung adenocarcinoma may overlap resulting in diagnostic and clinical  challenges.We present the case of a women admitted to our department presenting with an acute manifestation of coronavirus OC43 pneumonia with underlying undiagnosed lung adenocarcinoma.