Pathological findings in lung, spleen and lymph node
| Case | Lung tissue findings | Spleen tissue findings | Lymph node tissue findings |
| 1 | DAD (fibrous phase) | Necrotic tissue | Not collected |
| 2 | DAD (exudative phase) | Necrotic tissue | Not collected |
| 3 | DAD (exudative phase) | Focal necrosis. Histiocytic hyperplasia | Not collected |
| 4 | DAD (proliferative phase) | Depletion of the white pulp. Haematopoiesis. Histiocytic hyperplasia. Haemophagocytosis. | Not collected |
| 5 | DAD (proliferative phase) | Histiocytic hyperplasia. Erytrophagocytosis. | Plasmocytosis. Erythrophagocytosis. |
| 6 | DAD (proliferative phase) | Widely necrotic. Depletion of the white pulp. | Lymphoid depletion. Erythrophagocytosis. |
| 7 | DAD (proliferative phase) | Depletion of the white pulp. Histiocytic hyperplasia. Severe haemophagocytosis. | Not collected |
| 8 | DAD (exudative phase)+acute bronchopneumonia | Depletion of the white pulp. Haematopoiesis. Histiocytic hyperplasia. | Lymphoid depletion. Plasmocytosis. Erythrophagocytosis. |
| 9 | DAD (proliferative phase) | Haemorrhage. Depletion of the white pulp. Histiocytic hyperplasia. Erythrophagocytosis. | Lymphoid depletion. Plasmocytosis. Erythrophagocytosis. |
| 10 | DAD (proliferative phase) | Focal necrosis. Haemorrhage. Depletion of the white pulp. | Not collected |
| 11 | DAD (proliferative phase) | Focal necrosis. Haemorrhage. Depletion of the white pulp. Haematopoiesis. | Not collected |
| 12 | Interstitial lymphoid pneumonitis | Depletion of the white pulp. Histiocytic hyperplasia. Haemophagocytosis. | Not collected |
| 13 | DAD (exudative phase) | Depletion of the white pulp. Histiocytic hyperplasia. Haemophagocytosis. | Lymphoid depletion. Erythrophagocytosis. |
| 14 | DAD (exudative, proliferative and fibrous phase). | Depletion of the white pulp. Haematopoiesis. Histiocytic hyperplasia. | Not collected |
| 15 | DAD (exudative, proliferative and fibrous phase) | Depletion of the white pulp. Haematopoiesis. Histiocytic hyperplasia. | Lymphoid depletion |
| 16 | DAD (proliferative and fibrous phase) | Necrotic tissue | Not collected |
DAD, diffuse alveolar damage.