Correct!
1. The frontal chest radiograph shows a vague right apical nodule
The frontal chest radiograph (Figure 1) shows a vague, poorly visualized right apical nodule (Figure 2).
Figure 2. Initial frontal chest radiograph (same as Figure 1) but with an arrow showing a poorly defined nodular opacity in the right apex.
The heart size is normal, the lungs appear clear otherwise, the mediastinal and hilar contours appear normal, and no pleural effusion is seen.
Which of the following represents an appropriate differential diagnostic (Click on the correct answer to be directed to the fifth of thirteen pages)