FIGURE 5

Malignant lymphoma: Lymphatic tracking and pleural infiltration by neoplastic lymphocytes was often seen (hematoxylin and eosin stain, original magnification, 16 ×).

Malignant lymphoma: Lymphatic tracking and pleural infiltration by neoplastic lymphocytes was often seen (hematoxylin and eosin stain, original magnification, 16 ×).