Former US President Joe Biden recently made a public appearance where he was seen with a giant gash on his head. According to a report, the 82-year-old recently had surgery to treat skin cancer. Several videos and photos of Biden surfaced on social media where he was seen leaving a church in Rehoboth Beach over Labour Day weekend with a wound on his head.According to Fox News, Biden’s spokesperson confirmed that he recently underwent Mohs surgery to treat skin cancer.In the video, the former US president appeared frail as he greeted people outside the service on Sunday.A day earlier, he was seen at a local ice cream shop in the evening with a baseball cap that covered the wound. During funeral of former Delaware governor and US representative Mike Castle at St Joseph at the Brandywine Church in Greenville, Biden was seen with a giant bandage. Earlier in May, Biden aides revealed that he had been diagnosed with Stage 4 prostate cancer that had spread to his bones. “Cancer touches us all,” Biden had written on social media. “Like so many of you, Jill and I have learned that we are strongest in the broken places.”