| Minimally invasive methods for the treatment of varicose veins of the lower extremities. Overview of the existing modern methods | |
| Sofia Antonova, Antoan Spasov, Angel Radev |
| The role of VATS in the diagnosis of pulmonary sarcoidosis | |
| Borislav Petrov, Katerina Marinova, Rumen Nenkov |
| Thoracoscopic techniques in the diagnosis and surgical treatment of pleural effusions—advantages and disadvantages of different thoracoscopic approaches | |
| Katerina Marinova |
| Myocardial infarction with non-obstructive coronary arteries (MINOCA)—a case report | |
| Rozen Grigorov, Rumen Jordanov, Cvetan Zhelev, Dimitar Hristov, Stefan Yambolov |