Fig. 3.

Chest CT images of four patients who survived severe pneumonia with avian influenza A(H7N9) virus infection during follow-up visits.

A: 47-year-old woman at six (A1) and 12-month (A2) follow-up visits. CT images show mild ground-glass opacities (arrow).

B: 78-year-old man at six (B1) and 12-month (B2) follow-up visits. CT images show pulmonary bullous lesions (arrow).

C: 36-year-old woman at six (C1) and 12-month (C2) follow-up visits. CT images show pleural effusion at six months and improvement at 12-months (arrow).

D: 33-year-old man at three (D1) and 12-months (D2) follow-up visit. CT images show nodule at three months and 12 months (arrow).