47 Medical professionals are urging increased awareness after a series of unusual cases involving foreign body retention in the lungs, which were initially mistaken for tumours. A recent study, published in the journal Frontiers in Medicine, has highlighted instances where patients developed severe respiratory symptoms due to the chronic retention of small objects in their lungs, such as cherry pits, leading to significant misdiagnoses. The phenomenon of foreign body aspiration, while more commonly seen in children, can occur in adults, particularly in the elderly, and is often misinterpreted as other respiratory conditions, including cancer. In a series of cases from Germany, two elderly individuals suffered from recurrent pneumonia and persistent respiratory issues for months, with medical imaging initially suggesting the presence of lung tumours. However, further investigation revealed that the true cause was far less sinister but no less severe: small, aspirated objects lodged in the airways. In one instance, a 70-year-old male patient had received multiple hospital admissions for persistent pneumonia, which was characterised by intermittent coughing, fever, and breathing difficulties. Despite several rounds of antibiotics, his condition only slightly improved. Initial imaging results showed a suspicious mass in the right lung, raising concerns of cancer. But upon closer examination through bronchoscopy – a procedure used to inspect the inside of the lungs – a cherry pit was discovered, completely blocking the airway. Significant lung damage had resulted from the obstruction’s proximity to inflamed tissue and infection. A second case involved a 74-year-old man who experienced similar symptoms. After months of coughing and breathlessness, imaging once again pointed to a tumour. Yet, as with the previous patient, a foreign object was discovered, this time partially blocking the airway and surrounded by chronic infection, specifically actinomycosis – a rare but serious lung condition caused by bacteria that can mimic tumour growth. Both patients had no recollection of aspirating any foreign objects, making the diagnosis particularly challenging. This highlights the difficulty in detecting foreign body aspirations in adults, where the symptoms can mimic more common respiratory diseases, and the history of the event may be forgotten, especially in elderly individuals. The two cases demonstrate how objects as small as a cherry pit can lead to substantial respiratory issues, including chronic infections and airway obstruction. The medical team handling these cases emphasised the importance of considering foreign body aspiration in adults presenting with unexplained chronic respiratory symptoms. Bronchoscopy played a crucial role in diagnosing and treating these patients. Using flexible cryoprobes, the team successfully removed the foreign bodies and inflamed tissue, leading to significant improvements in both cases. The findings from these cases underscore the need for a thorough investigation of persistent respiratory conditions that do not respond to standard treatments, particularly when no clear cause is evident.