In acute bronchial pneumonia, which of the following cells fill the alveolar spaces?

The sudden death caused by saddle embolus in lung is found at ___

For the disease in the previous question, which of the following IHC marker will be POSITIVE in tumor cells?

The patient with persistent cough with sputum, last at least 3 months in at least 2 consecutive years, can develop the followings EXCEPT 

A HIV+ patient developed a mass in ileum which shows CD19+ clonal lymphocyte proliferation.  Which of the following viral genomes is most likely to be present in this disease?

A 34-year-old woman developed lung nodules and mediastinal lymphadenopathy.  The biopsy from the lymph node is shown in the following microphotograph.  Which of the following is characteristic for this disease?

Foreign materials enter right lung more often than left lung        

A 35-year-old woman develops a cystic mass in the lung.  The tumor cells appear epithelioid, which express both smooth muscle cell and melanocytic markers.  Which of the following gene mutation does this patient have?

A lymph node biopsy is shown in the figure below. Which of the following immunohistochemical markers can highlight this large tumor cell in the center of the figure?

Eosinophilic leukocytosis (eosinophilia) can be caused by: