Lung mass 4cm benign possible?

A lung mass 4cm in diameter may be a benign lesion. Although a lung mass 4cm in diameter most often represents a malignant lesion, especially when the lung mass is accompanied by malignant signs such as lobulation, spiculation, pleural traction, etc., it is often suggested that it may be caused by a malignant tumor. However, it should be noted that even a lung mass 4cm in diameter may also be a benign lesion. For example, inflammatory pseudotumor, tuberculoma, and benign lesions such as lung cancer may all appear as lung masses up to 4 cm in diameter.