If everything became clearer with the acute and early period after coronavirus infection (COVID-19), then in the long term we often do not have the opportunity to monitor patients, and it is at this time that various complications may occur, forcing them to seek medical help again. In the third issue of "Frosted Glass", radiologist Anton Vinokurov analyzes several cases using CT images as examples at the LINS Makhaon workstation, how the picture can change after more than a month and what complications can form.