A curious case of exploding cannonball

Pulmonary cavitary lesions with pneumothorax are very common in chest imaging and usually pose diagnostic challenge to clinicians Pneumothorax a lesion is rare occurrence primary metastatic lung cancer. A 40-year-old male presented cough whitish expectoration, right loin pain, loss of weight appetite for 3 months difficulty breathing 2 days. Chest x-ray was suggestive right-side bilateral nodular opacities all zones. Contrast-enhanced computed tomography (CECT) thorax abdomen revealed non-homogenous large mass the kidney hydronephrotic changes lungs. Urine cytology urothelial carcinoma. Thus, diagnosis cancer cavitating metastasis leading secondary spontaneous made. Herein, we aim highlight that should be considered case nodules.