Small cell lung cancer starting with diabetes mellitus: Two case reports and literature review

Figure 1 Lung computed tomography and bronchoscopic biopsy of Case 1. A, B: Lung computed tomography of the patient. Right middle lobe: Peripheral lung cancer with lymph node metastasis and distal obstructive pneumonia. Bilateral pleural effusion; C: Hematoxylin and eosin staining of the tissue; D: Ki-67 staining of the tissue; E: Synaptophysin staining of the tissue; F: Thyroid transcription factor-1 staining of the tissue.

Figure 2 Positron emission tomography-computed tomography of Case 2. A hypermetabolic nodule is visible in the left lingular lobe (central lung cancer).