Cumbo sign - an alluring sign in lung hydatid cyst

Hydatid cyst of the lung is a prevalent condition that can be identified through serological tests or radiological imaging. In this case, an X-ray of the patient revealed characteristic signs of a hydatid cyst, which were pivotal in establishing the diagnosis. This diagnosis was subsequently confirmed through serological testing. The patient was successfully treated with symptomatic management and anthelminthic medication. A 27-year-old male patient presented with a 1-month history of fever, a week-long cough with blood-streaked sputum, and left-sided chest pain. Additional symptoms included weight loss, but he denied wheezing, shortness of breath, or close contact with dogs.