[The bleeding into the emphysematosus bulla imitating lung tumor].

Bleeding into the lung parenchyma is a rare phenomenon that usually occurs as a result of chest trauma, other causes are anticoagulant therapy, and infections. The following case presents a patient admitted to the hospital due to haemoptysis, which was a symptom of bleeding into the emphysematosus bulla caused by anticoagulation therapy. The decisive diagnostic examination was chest magnetic resonance.