Sub-segmental pulmonary thromboembolism in a pregnant woman with generalized lupus erythematosus, triple-negative antiphospholipid syndrome, and protein C deficiency. A case report oleh Arlin Montoya Rodríguez, MD, Mario Mayorga Duarte, MD, Sayonara Sandino López, MD, Víctor Rosales Obregón, MD, Mario Enmanuel López Marenco, MD