Hi thanks for asking question.
If alcohol drinking done for once as you have mentioned then no chance of liver problem.
If drinking is for somewhat long duration and heavy drinking then first
fatty liver can occur.USG useful for it.
If care not taken he can develop hepatitis.
In which jaundice yellow sclera and yellow urine...With constitutional symptoms like right side abdomen pain, muscular and bone pain with anorexia and vomitting.
USG and if needed LFT helpful.
If still no care taken cirrhosis can occur , in which along with complicated
portal hypertension ascites , variceal bleeding , striae around umbilicus ,
palmar erythema,
gynecomastia, tremor etc can occur.
USG and LFT esp
serum albumin and PT useful.
I hope I have solve your doubt that you ask in question.
If still need further guidence we are ready to help you.
Take care dear.
Dr.Parth Goswami