- Detection of Apical Prostate Cancer: The Value of MRI/US Fusion Transperineal Biopsy (V. Todorova, O. Gatsev, K. Hristov, K. Petkova, I. Saltirov)
- Impact of patient age on perioperative outcomes of retrograde intrarenal surgery (K.Hristov, O. Gatsev, V. Todorova, K. Petkova, I. Saltirov)
- Impact of ureteral stricture length on outcomes of laser endoureterotomy (K.Hristov, O. Gatsev, V. Todorova, K. Petkova, I. Saltirov)
- Comparative analysis of the efficacy and safety of 6.3 Fr ureteroscope versus 7.5 Fr flexible ureteroscope for retrograde intrarenal surgery (RIRS) with flexible and navigable access sheath (FANS) (K. Petkova, K. Hristov, O. Gatsev, V. Todorova, I. Saltirov)
- Modern surgical treatment of pleural empyema (S. Amiri, N. Tsonevski, V. Yordanov, T. Badarov, A. Dimitrova)
- A minimally invasive approach to the treatment of pleural empyema with broncho-pleural fistula (N. Tsonevski, S. Amiri, V. Yordanov, T. Badarov, A. Dimitrova)
- Laparoscopic liver resection for colorectal cancer liver metastases (R. Kostadinov, V. Mihaylov, Ts. Trichkov, N. Vladov)
- Risk stratification in laparoscopic hepatectomy (R. Kostadinov, V. Mihaylov, Ts. Trichkov, N. Vladov)
- Endovascular management of life-threatening hematuria following ureteral stent removal (D. Dichov, S. Marangozov, N. Kolev, T. Adem, K. Girov)
- Total hip arthroplasty after surgically treated acetabular fractures (P. Ginev, P. Ivanov, R. Milev, D. Zortev, P. Uzunov, N. Hariskov, N. Tzachev, B. Zlatev)
- Revision THA in Paprosky type 3 acetabular defects (R. Milev, N. Tzachev, P. Ivanov, P. Ginev, N. Hariskov)